AnswersELPGEQ1 MJ Math 6 - 1205010 HCPS v24Measurements in the Customary System

Percent Increase and Decrease Answers

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1
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A count went up from 450 to 600. What was the approximate percent increase?

A
The percent increase was approximately 33%.
B
The percent increase was approximately 75%.
C
The percent increase was approximately 133%.
D
The percent increase was approximately 300%.
2
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What is the approximate percent increase when the population of a town increases from 12,089 to 15,025? Round the population amounts to the nearest thousand to find an estimate of the percent increase.

A
The percent increase is approximately 10%.
B
The percent increase is approximately 25%.
C
The percent increase is approximately 33%.
D
The percent increase is approximately 80%.
3

If the average grade of an English class rose from 70 to 85, what is the approximate percent increase?

A
The percent increase is approximately 14%.
B
The percent increase is approximately 17%.
C
The percent increase is approximately 21%.
D
The percent increase is approximately 35%.
4

Carey is trying to decide between two guitars. The first had an original price of $160, but is on sale for $100. The second had an original price of $250, but is on sale for $150. Which guitar has a greater percent change in price?

A
The first guitar has greater percent change of approximately 35%.
B
The second guitar has a greater percent change of approximately 40%.
C
The first guitar has a greater percent change of approximately 54%.
D
The second guitar has a greater percent change of approximately 67%.
5

Tanya’s swim club increased their $29 membership fee by $6 a year. What is the approximate percent increase in the membership fee?

A
The approximate percent increase is 20%.
B
The approximate percent increase is 26%.
C
The approximate percent increase is 82%.
D
The approximate percent increase is 120%.
6

Iliana’s math grade increased from 65 to 86. Fiona’s math grade increased from 70 to 80. What is the difference, rounded to the nearest whole number, between the approximate percent increases?

A
10 percent
B
15 percent
C
18 percent
D
21 percent
7

Helen got a $7 reduction in the price of a pair of jeans that are normally $32. What is the approximate percent decrease in the price?

A
The percent decrease is approximately 15%.
B
The percent decrease is approximately 21%.
C
The percent decrease is approximately 43%.
D
The percent decrease is approximately 78%.
8

Marie and Jorge are both trying to lose weight. After 3 months they compared their weight loss. Marie’s weight went from 175 to 150. Jorge’s weight went from 190 to 180. Which statements are true regarding their weight loss? Select three options.

A
Jorge’s weight change was approximately 5%.
B
Marie’s weight change was approximately 14%.
C
Marie had the greater percent change.
D
Jorge had the greater percent change.
E
Marie’s weight change was approximately 1.4%.
9

What is the approximate percent change in a temperature that went down from 120 degrees to 100 degrees?

A
The percent change is approximately 17%.
B
The percent change is approximately 20%.
C
The percent change is approximately 80%.
D
The percent change is approximately 120%.
10

Holly had $5,000 in her bank account. She withdrew $800 to buy a new bike. What is the percent decrease in the balance of her account?

A
The percent decrease is 1.6%.
B
The percent decrease is 16%.
C
The percent decrease is 84%.
D
The percent decrease is 120%.

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