Answers
Answer:
f(x) has a vertical asymptote at x = 5 and a horizontal asymptote at y = 2.
[tex]g(x) = \frac{1}{x-5}+2[/tex] is shifted 5 units to the right and 2 units up from f(x), as shown in figure a.
Step-by-step explanation:
Question # 4 Solution
[tex]f(x) = \frac{1}{x-5}+2[/tex]
Determining Vertical Asymptote:
Setting the denominator equal to zero, we can determine the value of vertical asymptote.
As,
x - 5 = 0
x = 5
So, x = 5 is the Vertical Asymptote:
Determining Horizontal Asymptote
[tex]f(x) = \frac{1}{x-5}+2[/tex]
[tex]f(x) = \frac{2x-10}{x-5}[/tex]
If the degree of both numerator and denominator is same, then the horizontal asymptote can be obtained by determining the ratio of leading coefficient of the nominator to the leading coefficient of denominator.
As the leading coefficient of nominator is 2, and the leading coefficient of denominator is 1. So, the ratio of the leading coefficient of nominator to the leading coefficient of denominator is will get the horizontal asymptote.
Hence, y = 2/1 → y = 2 will be the horizontal asymptote.
So, f(x) has a vertical asymptote at x = 5 and a horizontal asymptote at y = 2.
Question # 5 Solution
A translation makes any graph of function move up or down - Vertical Translation - and right or left - Horizontal Translation.
For example, if we replace the graph of y = f(x) with the graph of y = f(x - 5), meaning the graph y = f(x) will shift right by 5 units so it is f(x - 5).
Important Note: Adding moves the graph to the left; subtracting moves the graph to the right.
As [tex]g(x) = \frac{1}{x-5}+2[/tex] compare to the parent function f(x) = 1/x.
The graph of f(x) = 1/x is shown in figure a. If we compare the graph of f(x) = 1/x with the graph of g(x) = 1 ÷ (x - 5), meaning the graph g(x) = 1 ÷ (x - 5) is shift right by 5 units, as shown in figure (a).
Now, take [tex]g(x) = \frac{1}{x-5}+2[/tex], we observe that graph [tex]g(x) = \frac{1}{x-5}+2[/tex] is now 2 units up from f(x). Adding 2 units to the output shifts the graph up by 2 units, as shown in figure a.
Hence, [tex]g(x) = \frac{1}{x-5}+2[/tex] is shifted 5 units to the right and 2 units up from f(x). The figure a shows the complete result of the graph [tex]g(x) = \frac{1}{x-5}+2[/tex].
Keywords: graph shift, vertical asymptote, horizontal asymptote
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Related Questions
Find the value of y for the following system of equations. x + y = 7 x + y = 7 7 2
Answers
The value of y is 28
y = 28
A1.0 kg cart moving right at 5.0 -- on a frictionless track
collides with a second cart moving left at 2.0 m/s.
The 1.0 kg cart has a final speed of 4.0 m/s to the left, and the
second cart has a final speed of 1.0 m/s
to the right.
What is the mass of the second cart?
Consider rightward as the positive direction.
Answers
Answer:
3.0 kg
Step-by-step explanation:
Momentum before collision = momentum after collision
m₁ u₁ + m₂ u₂ = m₁ v₁ + m₂ v₂
(1.0 kg) (5.0 m/s) + m (-2.0 m/s) = (1.0 kg) (-4.0 m/s) + m (1.0 m/s)
5.0 kg m/s + m (-2.0 m/s) = -4.0 kg m/s + m (1.0 m/s)
9.0 kg m/s = m (3.0 m/s)
m = 3.0 kg
write an equation for a line parallel to 3x-6y=18
Answers
Need help with number 6
Answers
Answer:
Step-by-step explanation:
Alexis wants to figure out the price to charge friends for the blu-rays. She doesn’t want to make money at this point since it is a brand new business, but does want to cover her costs. Suppose Alexis created 50 blu-rays. What is the cost of producing those 50 blu-rays? How much is it for each blu-ray?
B(x) = 1250 +1.75x
Answers
Answer:
The cost of producing 50 blu-rays will be $1337.5
Each blu-rays must be sold of $26.75
Step-by-step explanation:
The cost of producing x number of blu-rays is given by the relation
B(x) = 1250 + 1.75x ........... (1)
Therefore, the total cost for producing 50 blu-rays will be
B(50) = 1250 + 1.75 × 50 = $1337.5 (Answer)
Now, Alexis does not want to make a profit by selling the blu-rays to her friends and wants just to cover her costs.
Therefore, the selling price of 50 blu-rays will be $1337.5.
Hence, each blu-rays must be sold of [tex]\frac{1337.5}{50} = 26.75[/tex] dollars. (Answer)
1. You have a 20 foot long ladder that you want to lean against a vertical wall. You want the top of the ladder to touch the wall 19 feet off the ground. What angle will the ladder form with the ground?
2. Using the same 20 foot ladder against the same vertical wall, you decide that it would be better if the ladder formed a 70 degree angle with the ground. How far up the wall will the top of the ladder reach?
3. You want to find the area of triangle BCD but all you have is the information provided in the image below. Then you realize you can use the special right triangle (30-60-90) to find the height of the triangle. Once you know the height and provided base measurement calculate the area.
What is the area of the triangle? Show all steps.
Answers
Answer:
1. The ladder forms 71.8° with the ground.
2. The top of the ladder will reach 18.79 feet up the wall.
3. Height = 8.66 cm and area = 21.65 sq. cm.
Step-by-step explanation:
1. If the angle of elevation of the ladder is [tex]\theta[/tex] then we can write
[tex]\sin \theta = \frac{\textrm {Perpendicular}}{\textrm {Hypotenuse}} = \frac{19}{20}[/tex]
⇒ [tex]\theta = \sin ^{-1}(\frac{19}{20}) = 71.8[/tex] Degrees.
Therefore, the ladder forms 71.8° with the ground. (Answer)
2. Now, if the ladder formed a 70 degree angle with the ground and the length of the ladder remains the same as 20 feet, then we can write
[tex]\sin 70 = \frac{\textrm {Perpendicular}}{\textrm {Hypotenuse}} = \frac{x}{20}[/tex]
⇒ x = 20 sin 70 = 18.79 feet.
Therefore, the top of the ladder will reach 18.79 feet up the wall.
3. See the attached figure.
We have, [tex]\tan 60 = \frac{BC}{CD} = \frac{BC}{5}[/tex]
⇒ Height = BC = 5 tan 60 = 8.66 cm.
Therefore, the area of the triangle BCD will be = [tex]\frac{1}{2} \times CD \times BC = \frac{1}{2} \times 5 \times 8.66 = 21.65[/tex] sq. cm. (Answer)
Which of the following expressions are equivalent to 8 3/2
Answers
Answer:
19/2
Step-by-step explanation:
8 3/2=19/2
Answer:
19/2
Step-by-step explanation:
7x-7(x+6)=10
B=infinite
C=no solution
D=x=2/7
A=3/5/7
Answers
Answer:
No solution
Step-by-step explanation:
we have
[tex]7x-7(x+6)=10[/tex]
Solve for x
Apply distributive property left side
[tex]7x-7x-42=10[/tex]
Combine like terms left side
[tex]-42=10[/tex] ----> is not true
therefore
The equation has no solution
Rena evaluated 3/4 ÷ 2/5 and got an answer of 1 7/8. Which statement is true about her answer
Answers
Rena's answer is correct.
To evaluate whether Rena's answer is correct, we need to perform the division of the two fractions 3/4 and 2/5. To divide one fraction by another, you multiply the first fraction by the reciprocal of the second fraction. The reciprocal of a fraction is obtained by flipping its numerator and denominator.
Here is a step-by-step solution:
Step 1: Write down the problem.
\[ \frac{3}{4} \div \frac{2}{5} \]
Step 2: Find the reciprocal of the second fraction.
The reciprocal of \( \frac{2}{5} \) is \( \frac{5}{2} \).
Step 3: Multiply the first fraction by the reciprocal of the second.
\[ \frac{3}{4} \times \frac{5}{2} \]
Step 4: Multiply the numerators together and the denominators together.
\[ \frac{3 \times 5}{4 \times 2} \]
\[ \frac{15}{8} \]
Step 5: Simplify the fraction if necessary.
In this case, \( \frac{15}{8} \) is an improper fraction because the numerator is larger than the denominator. We can convert it into a mixed number.
The whole number part of the mixed number is obtained by dividing the numerator by the denominator:
\[ 15 \div 8 = 1 \text{ with a remainder of } 7 \]
So, the mixed number is \( 1 \frac{7}{8} \).
Conclusion:
Rena's answer of \( 1 \frac{7}{8} \) is correct. The statement about her answer is true; she correctly evaluated the division of \( \frac{3}{4} \) by \( \frac{2}{5} \).
-3(v - 3) - 6 is greater than or equal to 12
Answers
Answer:
v<=-3
Step-by-step explanation:
-3(v-3)-6>=12
-3v+9-6>=12
-3v+3>=12
-3v>=12-3
-3v>=9
v>=9/-3
v>=-3
Find two consecutive integers whose
Sum is 93.
Answers
Answer:
46 and 47.
Step-by-step explanation:
If x is one of the integers then the other is x+1.
x + x + 1 = 93
2x = 92
x = 46.
An advertisement consists of a rectangular printed region plus 5-cm margins on the sides and 6-cm margins at top and bottom. If the area of the printed region is to be 238 cm2, find the dimensions of the printed region that minimize the total area. Printed region: l = , w =
Answers
Answer:
Dimensions of printed area
x = 7.58 the length
y = 31.40 cm the height
Step-by-step explanation:
Printed region P(a) = 238 cm²
Let call x and y dimensions of printed area then:
A = 238 = x*y ⇒ y = 238/x
And the area of the advertisement is
A(a) = L * W where L = x + 6 and W = y + 5
A(x) = (x + 6 ) * ( y + 5 )
Area as a function of x y = 238/ x
A(x) = (x + 6 ) * ( 238/x + 5 )
A(x) = 238 + 5x + 1428/x + 30
A(x) = 268 + 5x + 1428/x
Taking derivatives on both sides of the equation
A´(x) = 5 - 1428/x²
A´(x) = 0 ⇒ 5x² = 1428 ⇒ x² = 57.12
x = 7.58 cm and y = 238/ 7.58 y = 31.40 cm
Use substitution to solve the system of equations.
y + x = 3
y = 1.5x + 1
Answers
Answer:
x=0.8, y=2.2 (0.8, 2.2).
Step-by-step explanation:
y+x=3
y=1.5x+1
-------------
1.5x+1+x=3
2.5x=3-1
2.5x=2
x=2/2.5
x=0.8
y+0.8=3
y=3-0.8
y=2.2
To solve the given system of equations by substitution, we substitute the second equation into the first, solve for x, and then substitute x back into the second equation to solve for y, which yields x=0.8 and y=2.2 as the solution.
Explanation:To solve the system of equations using substitution, we start by isolating one variable in one of the equations. Here, the second equation already gives us y in terms of x: y = 1.5x + 1.
Next, we substitute this expression for y into the first equation y + x = 3. This gives us:
(1.5x + 1) + x = 3Combine like terms to solve for x:
2.5x + 1 = 32.5x = 2x = 0.8Now that we have the value of x, we can find the value of y by substituting x back into the equation y = 1.5x + 1:
y = 1.5(0.8) + 1y = 2.2Hence, the solution to the system of equations is x = 0.8 and y = 2.2.
As a final step, you may want to check your solution by plugging the values back into the original equations to confirm that they satisfy both equations.
The recursive function for a sequence is given below.
f(1) = 200
f(n) = 2 · f(n − 1), for n = 2, 3, 4, ...
What is the 5th term of this sequence?
Answers
Answer:
f(5) = 3200
Step-by-step explanation:
Using the recursive formula to generate the terms, that is
f(2) = 2 × f(1) = 2 × 200 = 400
f(3) = 2 × f(2) = 2 × 400 = 800
f(4) = 2 × f(3) = 2 × 800 = 1600
f(5) = 2 × f(4) = 2 × 1600 = 3200
Answer: 6400
Step-by-step explanation:
Given :
f(1) = 200
f(n) = 2.f(n-1) , for n = 2 ,3 , 4 , ...
To find the 5th term
when n = 2 , the sequence becomes
f(2) = 2 .f(2-1)
f(2) = 2 f(1)
since f(1) = 200
therefore:
f(2) = 2 x 200
f(2) = 400
When n = 3
f(3) = 2f(2)
f(3) = 2 x 400
f(3) = 800
When n = 4
f(4) = 2 f(3)
f(4) = 1600
When n =5
f(5) = 2f(4)
f(5) = 3200
When n = 6
f(6) = 2f(5)
f(6) = 6400
Since n = 2 , 3 , 4 ... this means that the 5th term if f(6) , therefore ,the 5th term is 6400
Solve the system: x + 2 = y ,x2 − 10 = y
Answers
Answer:
If you wanted the intersecting points there is only one and It's (12, 14)
Hope that could help.
Write a polynomial equation with roots 5 and -9i. X^3-?x^2+?X-?=0
Answers
Answer:
x³ - 5x² + 81x - 405 = 0
Step-by-step explanation:
Complex roots occur in conjugate pairs.
Thus given x = - 9i is a root then x = 9i is also a root
The factors are then (x - 5), (x - 9i) and (x + 9i)
The polynomial is the the product of the roots, that is
f(x) = (x - 5)(x - 9i)(x + 9i) ← expand the complex factors
= (x - 5)(x² - 81i²) → note i² = - 1
= (x - 5)(x² + 81) ← distribute
= x³ + 81x - 5x² - 405, thus
x³ - 5x² + 81x - 405 = 0 ← is the polynomial equation
The required polynomial equation is x³ - 5x² + 81x - 405 = 0 with roots 5 and -9i.
What is a polynomial?A polynomial is defined as a mathematical expression that has a minimum of two terms containing variables or numbers. A polynomial can have more than one term.
As we know that complex roots occur in conjugate pairs.
Thus given x = - 9i is a root then x = 9i is also a root
The factors are then (x - 5), (x - 9i) and (x + 9i)
The polynomial is the product of the roots, that is
f(x) = (x - 5)(x - 9i)(x + 9i)
Expand the complex factors in the above equation
f(x) = (x - 5)(x² - 81i²) [∵ i² = - 1]
f(x) = (x - 5)(x² + 81)
f(x) = x³ + 81x - 5x² - 405
This is equating to zero.
f(x) = 0
Thus, the required polynomial is x³ - 5x² + 81x - 405 = 0
Learn more about the polynomial here:
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Please Help!!! I can't understand the question please someone help me!
Answers
Answer:
a. true
b. false
c. true
d. false
Step-by-step explanation:
a. A product raised to a power is equivalent to each of the multiplicand raised to that power as well. Example:
(xyz)ⁿ = xⁿyⁿzⁿ
(1·3·7)² = 1²(3²)(7²)
b. Is wrong. When you have addition/subtraction inside a parentheses, you have to foil. Example:
(a + b)² = (a + b)(a + b)
= a² + 2ab + b²
(1 + 3)² = (1 + 3)(1 + 3)
= 1² + 2(1)(3) + 3²
= 16
c. Numbers with the same root can be merged when you're multiplying/dividing them. Example:
√(a)√(b) = √(ab)
√(2)√(3) = √(2·3) = √(6)
d. You can only merge or split the root when multiplying/dividing.
You CANNOT merge the root when adding/subtracting.
√(a ± b) ≠ √(a) + √(b), this is NOT allowed
e. I already gave examples in the previous parts.
Which system of equations has no solutions
A. 3x + 4y = 5
6x + 8y = 10
B. 7x - 2y = 9
7x - 2y = 13
C. 2x - y = -11
-2x + y = 11
D. 3x + 6y = 1
x + y = 0
Answers
Answer:
Step-by-step explanation:
3x+4y=5
6x+8y=10
---------------
-2(3x+4y)=-2(5)
6x+8y=10
----------------
-6x-8y=-10
6x+8y=10
------------------
0=0
Answer: Infinitely many solutions.
------------------------------------------------------
7x-2y=9
7x-2y=13
--------------
-1(7x-2y)=-1(9)
7x-2y=13
---------------------
-7x+2y=-9
7x-2y=13
-------------
0=4
Answer: NO Solution.
-------------------------------------
2x-y=-11
-2x+y=11
-----------------
0=0
Answer: Infinitely many solutions.
-----------------------
3x+6y=1
x+y=0
x=0-y=-y
3(-y)+6y=1
-3y+6y=1
3y=1
y=1/3
x=-y=-1/3
Answer: x=-1/3, y=1/3. (-1/3, 1/3).
Answer:69
Step-by-step explanation:
69
PLEASE DO THIS AND I WILL GIVE YOU BRAINLIEST AND ALOT OF POINTS ALSO DONT JUST DO THIS FOR THE POINTS OR YOU WILL BE REPOTED AND ALL ADMINS ARE ONLINE THANK YOU!
Answers
Answer:
16. Disagree because 0.1 0f 0.1 is 0.01
17. the whale swam for 19 to 21.7 hours. Because 152/8=19 and 152/7=21.7
18. Meg can use 15,000 / 50 because 14,270 rounded up to by the thousand will be 15,000.
19. 61.5 because 3016/7 = 430.8 430.8/7=61.5
Step-by-step explanation:
Two fire hoses are used to extinguish a fire. Hose A, when turned on alone, can extinguish the fire in 7 minutes, while hose B takes "n" minutes more time than hose A. Find an expression (in terms of "n") for how much of the fire they will extinguish in 1 minute when both hoses are turned on together.
Answers
The expression in terms of "n" for how much of the fire they will extinguish in 1 minute when both hoses are turned on together is [tex]\frac{n + 14}{7n + 49}[/tex]
Solution:
Given that,
Hose A, when turned on alone, can extinguish the fire in 7 minutes
Hose B takes "n" minutes more time than hose A
Hose takes (n + 7) minutes to extinguish the fire
STEP 1: Calculate how much work (here work is to extinguish the fire) each person does in one minute
[tex]Hose A = \frac{1}{7}th \text{ of the work }\\\\Hose B = \frac{1}{n+7}th \text{ of the work }[/tex]
STEP 2: Add up the amount of work done by each person in one minute
Work done in one minute when both are working together:
[tex]\rightarrow \frac{1}{7} + \frac{1}{n + 7}\\\\\rightarrow \frac{n + 7 + 7}{7n + 49}\\\\\rightarrow \frac{n + 14}{7n + 49}[/tex]
Therefore, the expression in terms of "n" for how much of the fire they will extinguish in 1 minute when both hoses are turned on together is:
[tex]\frac{n + 14}{7n + 49}[/tex]
The total rate in 1 minute is [tex]\frac{1}{7} + \frac{1}{7+n}[/tex].
To find the expression for how much of the fire they will extinguish in 1 minute when both Hose A and Hose B are turned on together, we need to determine their individual rates first.
Hose A can extinguish the fire in 7 minutes, so its rate is:
⇒ Rate of Hose A = 1 fire ÷ 7 minutes = [tex]\frac{1}{7}[/tex].
Hose B takes 'n' minutes more than Hose A. Therefore, it takes (7 + n) minutes to extinguish the fire, so its rate is:
⇒ Rate of Hose B = 1 fire ÷ (7 + n) minutes = [tex]\frac{1}{7+n}[/tex].
When both hoses are operating together, their combined rate is the sum of their individual rates:
⇒ Combined Rate = [tex]\frac{1}{7} + \frac{1}{7+n}[/tex]
We need the combined rate per minute:
⇒ Combined Rate per Minute = [tex]\frac{1}{7} + \frac{1}{7+n}[/tex]
This fraction represents the portion of the fire they will extinguish in 1 minute when both hoses are used together.
Erik has $50 in a savings account that earns
5% annually. The interest is not compounded. How much will he have in 1 year?
Answers
Answer:
[tex]\$52.50[/tex]
Step-by-step explanation:
we know that
The simple interest formula is equal to
[tex]A=P(1+rt)[/tex]
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
[tex]t=1\ year\\ P=\$50\\ A=?\\r=5\%=5/100=0.05[/tex]
substitute in the formula above
[tex]A=50(1+0.05*1)[/tex]
[tex]A=50(1.05)[/tex]
[tex]A=\$52.50[/tex]
what is 85% written as a decimal and as a fraction
Answers
Answer:
.85 or 85/100
Step-by-step explanation:
Answer:
0.85 is your decimal. 85 / 100 - not simplified.
17 / 20 - simplified.
Step-by-step explanation:
For the decimal, all you gotta do is move your decimal to the left 2 times.
-Hope this helps.
For the fraction, 85% is per 100, so it's 85 / 100. To simplify, the answer is 17 / 20.
Use the table of net profits and losses to find the net profit for the week.
Bert's Catering Service
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$200 –$130 –$25 $240 $225 –$100 $75
$485
–$485
$5
$335
Answers
Your answer is A. $485
200 – 130 = 70
70 – 25 = 45
45 + 240 = 285
285 + 225 = 510
510 – 100 = 410
410 + 75 = 485
The graph of g(x) = (x-h) + k is shown on the coordinate
grid. What must be true about the signs of h and K?
Both hand k must be positive
Answers
Answer:
The sign of h must be negative, and the sign of k must be positive.
Select the four choices below that are equal to 2 × 3 × 4.
Answers
Final answer:
2 × 3 × 4, which equals 24.
Explanation:
To find equivalent expressions, we need to think about numbers that can multiply together to reach 24, while also keeping in mind the properties of operations and exponents.
One way is to use exponents. For instance, since 2 × 2 × 2 equals 23 or 8, and 3 × 4 equals 12, multiplying these two results gives us 8 × 12 which is also 24.We could also factor the number differently. Considering 2 × 2 × 2 × 3 can be rearranged to get (22 × 2) × 3 which simplifies to 4 × 2 × 3 and again equals 24.Another expression is taking multiples of 4 such as 4 × 6 which is the same as (2 × 2) × (2 × 3), resulting in the original 24.Last but not least, we can use the distributive property to create 2(3+9) since 3 + 9 equals 12, and 2 × 12 is 24.Is Y=-3x-2 linear or no?
Answers
Yes!
This would be in-fact a linear equation!
How?This equation is set up in y=mx+b form, therefore we know it is a linear equation.
Example of a linear equation:y=12x+2
The 12 is the mx in the equation.
And the 2 is the B in the equation! :)
That is how we solve that.
Any questions?
Have a great day!
Draw a picture to show the division. Express your answer as a fraction. 3÷5=
Answers
Answer:
your answer is down below
Step-by-step explanation:
Check the picture below.
Solve 3x + 6 = 34. need anwser asap
A.-2
B.4
C.6
D.10
Answers
6-6. 34-6= 28
3x=28
3/3 28/3=
x= 9.3333, or rounded up 10
good luck! :)
The correct solution for the equation 3x + 6 = 34 is x = 9.33 (repeating). The provided options do not match this solution, indicating an error in the given choices.
Explanation:To solve the equation 3x + 6 = 34, start by subtracting 6 from both sides to isolate the term with the variable x on one side. You get 3x = 28. Next, divide both sides by 3 to solve for x, which gives you x = 28 / 3 or 9.33 (repeating). None of the provided options A, B, C, or D matches the solution, indicating a potential error in the question or the options provided.
Express your answer in scientific notation.
2.8\cdot10^{-3} -0.00065 =2.8⋅10
−3
−0.00065=2, point, 8, dot, 10, start superscript, minus, 3, end superscript, minus, 0, point, 00065, equals
Answers
Answer:
2.15
×
10
−
3
Step-by-step explanation:
Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the
10
. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.
Answer:
The answer is 2.15 * 10^-3
Step-by-step explanation:
I got this answer from Khan Academy.
Hope this helps! :)
There are 110 students in the 6th grade band and 120 students in the 7th grade band. Of the students, 60% of the 6th grade band members and 85% of the 7th grade band members went on a trip Disney World trip. How many more 7th graders went on the trip than 6th graders?
Answers
Answer:
36 more students of grade 7 went on a trip than students of grade 6
Step-by-step explanation:
60 % of 110 students= 60/100*110= 66 students
85 % of 120 students= 85/100 * 120= 102 students
No of students of grade 7th more than 6th grade students= 102-66= 36
60% of the 6th grade band members and 85% of the 7th grade band members went on a trip Disney World trip. Then 36 more 7th graders went on the trip than 6th graders
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
Given,
The number of students in 6th grade=100
The number of students in 7th grade=120
60% of the 6th grade band members
60%×110
60/100×110=0.6×110=66
85% of the 7th grade band members
85%×120=85/100×120
=0.85×120=102
We need to find how many more 7th graders went on the trip than 6th graders
For this we need to find difference of 7th and 6th grade
102-66=36
Hence 36 more 7th graders went on the trip than 6th graders
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