Percent Increase and Decrease Review

A coat is on sale for 35% off. The regular price is p. Which expression represents the sale price of the coat?

• p - 0.35

• p - 0.35p

• p - 0.65

• 35p

The expression 1.05x calculates what change to the value of x?

• 50% increase

• 5% increase

• 95% increase

• 95% decrease

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

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

Darren makes $12 every hour. He gets a raise of $15 per hour. What was his percent of increase?

• 125%

• 15%

• 25%

• 20%

A baby weighed 5 pounds when it was born. After one month, the baby weighed 9 pounds. What was the percent increase in the baby's weight?

• 80%

• 40%

• 70%

• 113%

Would the following scenario represent a percent increase or a percent decrease? Jordyn goes to the store to purchase a sweater that she's had her eye on. She notices that the sweater has changed in price from $50, down to $40. What is the percent of change for the price of the sweater?

• 30%

• 20%

• 15%

• 45%

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

• 10%

• 15%

• 25%

• 50%