Percent Increase and Decrease

Question 1

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.

Revolt · Accepted Answer

B: The percent increase is approximately 25%.

Question 2

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

Revolt · Accepted Answer

C: The percent increase is approximately 21%.

Question 3

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?

Revolt · Accepted Answer

B: The percent decrease is 16%.

Question 4

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?

Revolt · Accepted Answer

C: 18 percent

Question 5

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

Revolt · Accepted Answer

A: The percent increase was approximately 33%.

Question 6

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?

Revolt · Accepted Answer

B: The second guitar has a greater percent change of approximately 40%.

Question 7

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.

Revolt · Accepted Answer

A: Jorge’s weight change was approximately 5%.; B: Marie’s weight change was approximately 14%.; C: Marie had the greater percent change.

Question 8

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

Revolt · Accepted Answer

C: The percent decrease is 80%.

Question 9

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

Revolt · Accepted Answer

A: The approximate percent increase is 20%.

Question 10

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

Revolt · Accepted Answer

C: The percent change is approximately 66%.

Percent Increase and Decrease Answers

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