percent increase / decrease

A book at Barnes and Nobles was $10.25 this week and was marked up to $15.25. What was the original price?

• $5.00

• $15.25

• $10.25

• $100.00

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the amount of change in this problem?

• $117.90

• $52.40

• $65.50

• $13.10

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What type of percent change?

• increase

• decrease

Lacey bought a new purse that originally cost $25 and is on sale for $15. What is the original price?

• $25

• $15

• $10

Cody weighed 110 pounds when he started 6th grade but now weighs 150 pounds as a 7th grader. What is the amount of change in the number of pounds?

• 40

• 110

• 150

The original price of a camera was $50 and the sale price this week is $38. What is the percent of change in the price of the camera?

• decrease

• increase

Susie got a raise. She was making $8.75 an hour. Now she is making $9.50. What is the original price?

• $9.50

• $100.00

• $0.75

• $8.75

Before her diet Mary weighed 180 pounds. She now weighs 150. What is the amount of change in weight lose?

• 30

• 150

• 180

Kate had $2,251.35 in her bank account. Currently, she has $1,975.86 in her account. Did Kate see an increase or decrease in her bank account?

• decrease

• increase

Last year, 2,376 people attended a summer music festival. This year, attendance was 2,950. What is the amount of change in the attendance at the festival?

• 574

• 2,376

• 2950

• 5326