AnswersGrade 7 MathematicsPercent Increase and Decrease

Percent Increase and Decrease — Quiz Answers

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1
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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 120 percent .
B
The percent change is approximately 17 percent .
C
The percent change is approximately 80 percent .
D
The percent change is approximately 20 percent .
2
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A count went up from 450 to 600 What was the approximate percent increase?

A
The percent increase was approximately 75 percent .
B
The percent increase was approximately 33 percent .
C
The percent increase was approximately 133 percent .
D
The percent increase was approximately 300 percent .
4

An education budget went from 800 dollars comma 000 to 900 dollars comma 000 What is the approximate percent increase?

A
The approximate percent increase is 113 percent .
B
The approximate percent increase is 13 percent .
C
The approximate percent increase is 98 percent .
D
The approximate percent increase is 89 percent .
5

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

A
The percent decrease is 20 percent .
B
The percent decrease is 25 percent .
C
The percent decrease is 80 percent .
D
The percent decrease is 87 percent .
6

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

A
The percent decrease is 16 percent .
B
The percent decrease is 84 percent .
C
The percent decrease is 120 percent .
D
The percent decrease is 1 point 6 percent .
7

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 percent .
B
The percent increase is approximately 35 percent .
C
The percent increase is approximately 21 percent .
D
The percent increase is approximately 17 percent .
8

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

A
The percent change is approximately 0 point 6 percent .
B
The percent change is approximately 66 percent .
C
The percent change is approximately 150 percent .
D
The percent change is approximately 1 point 5 percent .
9

What is the approximate percent increase when the population of a town increases from 12 comma 089 to 15 comma 025 ? Round the population amounts to the nearest thousand to find an estimate of the percent increase.

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

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 40 percent .
B
The percent change was 0 point 2 percent .
C
The percent change was 0 point 4 percent .
D
The percent change was 20 percent .

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