6.4 Percent of Change

Find the percent of change. Round to the nearest tenth of a percent if necessary.

3.2 miles to 2.4 miles

• decrease; 25%

• decrease; 33%

• increase; 25%

• increase; 33%

Find the percent of change. Round to the nearest tenth of a percent if necessary.

41 hours to 85 hours

• increase; 51.8%

• increase; 107.3%

• decrease; 51.8%

• decrease; 107.3%

Find the percent of change. Round to the nearest tenth of a percent if necessary.

24 pounds to 15 pounds

• decrease; 37.5%

• decrease; 60%

• increase; 37.5%

• increase; 60%

Find the percent of change. Round to the nearest tenth of a percent if necessary.

55 employees to 66 employees

• increase; 1.7%

• increase; 2%

• increase; 16.7%

• increase; 20%

Michelle bought a new tablet for $360 last month. Now, it is priced at $280. What is the percent of change in the price of the tablet?

• 9%

• 22.2%

• 80%

• 800%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A $30 pair of jeans is on sale for $15. What is the percent of change for the pair of jeans?

• 10%

• 15%

• 25%

• 4%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

In the 6th grade, Miguel read 15 books. In 7th grade, he read 21 books. What was the percent change in the number of books Miguel read from 6th to 7th grade?

• 40% increase

• 40% decrease

• 20% increase

• 20% decrease

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Recent developments in surgical procedures change the average healing time for some operations from 8 weeks to 3 weeks. What is the percent change for the healing time?

• 95%

• 5%

• 37.5%

• 62.5%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A pair of basketball shoes was originally priced at $80, but was marked up 30%. What was the retail price of the shoes?

• $24

• $110

• $104

• $83

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Erika decreased the amount of salt she consumes every day from 5,000 mg to 2,000 mg. By what percentage did Erika decrease the amount of salt she consumes?

• 60%

• 15%

• 25%

• 40%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3