AnswersCommon Core Math 7 - MA3107 CRPercent Increase and Decrease

Percent Increase and Decrease Answers

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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%.
3

What is the percent decrease when the balance in a bank account goes from $300 to $60?

A
The percent decrease is 20%.
B
The percent decrease is 25%.
C
The percent decrease is 80%.
D
The percent decrease is 87%.
5

The new number, 200, is 400 less than the original number. What is the approximate percent change?

A
The percent change is approximately 0.6%.
B
The percent change is approximately 1.5%.
C
The percent change is approximately 66%.
D
The percent change is approximately 150%.
6

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%.
7

The attendance at a seminar in year 1 was 500. In Year 2, the attendance changed by 100. What was the percent change in attendance?

A
The percent change was 0.2%.
B
The percent change was 0.4%.
C
The percent change was 20%.
D
The percent change was 40%.
8

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%.
9

An education budget went from $800,000 to $900,000. What is the approximate percent increase?

A
The approximate percent increase is 13%.
B
The approximate percent increase is 89%.
C
The approximate percent increase is 98%.
D
The approximate percent increase is 113%.
10

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%.

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