Percent of Increase/Decrease and Simple Interest

What is the total price of a book if Barnes and Nobles gets it for $4.25 and the markup is 30%?

• $55.25
• $1.28
• $5.53
• $4.38

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter? 

• 35%
• 25%
• 30%
• 20%

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

• 24%
• 10%
• 11%
• 50%

Lacey bought a new purse that originally cost $25 and is on sale for $15. Find the percent of change in the price in the purse.

• Decrease of 40%
• Decrease of 10%
• Decrease of 30%
• Decrease of 20%

Cody weighed 110 pounds when he started 6th grade but now weighs 150 pounds as a 7th grader. What is the percent of increase in his weight?

• 36%
• 26%
• 33%
• 38%

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?

• 24%
• 12%
• 20%
• 22%

Susie got a raise.  She was making $8.75 an hour.  Now she is making $9.50.  What is the percent of change?

• 6% Increase
• 7% Increase
• 8% Increase
• 9% Increase

Mary lost 30 pounds.  Before her diet she weighed 180 pounds.  What is the percent of change?

• 17% Decrease
• 18% Decrease
• 19% Decrease
• 20% Decrease

Kate had $2,251.35 in her bank account. Currently, she has $1,975.86 in her account. Find the percent of change rounded to the nearest percent.

• 12% decrease
• 12% increase
• 14% increase
• 14% decrease

Last year, 2,376 people attended a summer music festival. This year, attendance was 2,950. What was the percent of change in attendance to the nearest whole percent?

• Increase 24%
• Increase 19%
• Decrease 24%
• Decrease 19%