AnswersDAEP - Math 7 A 20 DAY TERMPercent Increase and Decrease

Percent Increase and Decrease Answers

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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%.
2
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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
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

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%.
5

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%.
6

Roberto purchased airline tickets for his family. The tickets cost $1,250. The airline also charged a luggage fee, bringing the total cost to $1,400. What is the percent increase in the cost due to the luggage fee?

A
The cost increase is 12%.
B
The cost increase is 20%.
C
The cost increase is 48%.
D
The cost increase is 89%.
7

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%.
8

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%.
9

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%.
10

Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 45? Select three options.

A
The amount of change is different for the percent increase and the percent decrease.
B
The ratio of the percent increase is not the same as the percent decrease.
C
The ratio for the percent increase has a smaller denominator than the percent decrease.
D
The ratio for the percent increase has a different numerator than the percent decrease.
E
The original amount for the percent increase is different from the original amount for the percent decrease.

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