Percent of Change State Questions

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%

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%

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

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%

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%

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

After all the hover board explosion issues, hover boards are on sale for 20% off the original price. It was originally priced at $350. What is the price of the hover board after the discount?

• $280

• $70

• $330

• $100

The admission price for an annual festival has increased by 50%. in the last 5 years. The admission price was $8 five years ago. What is the current admission price?

• $12

• $4

• $10

• $13

Naomi planted 45 tulip bulbs last year. If the number of tulips increased by 40% this year, how many tulips does Naomi have now?

• 18 tulips

• 85 tulips

• 27 tulips

• 63 tulips

Last year the chess club had 30 members. If membership has decreased by 30%, how many members are currently in the club?

• 21 members

• 9 members

• 60 members

• 39 members