Percent Increase and Decrease

Tom's weekly salary increased from $240 to $288. What was the percent of change?

• 120%

• 20%

• 16.6%

• 15%

A DVD movie originally cost $24.99. Its current price is $19.99. What is the percent of change rounded to the nearest percent?

• 20%

• 20.008%

• 25%

• 25.01%

What is the percent increase represented by this tape diagram?

Mark spent $ 178 on groceries last month. If he reduces his grocery costs by 15% next month, how much will he spend on groceries?

• $ 204.70

• $ 151.30

• $ 124.60

• $ 26.70

Yesterday, Mrs. Dusterhoft had 70 tests to grade. Today she has 21 tests to grade. By what percentage did the number of tests she has to grade decrease?

• 60%

• 70%

• 30%

• 231%

Find the new amount.

52 companies; 25% increase

• 13

• 39

• 65

• 77

Find the new amount.

710 points; 10% increase

• 71

• 639

• 781

• 720

Find the percent of change

From 126 ounces to 48 ounces.

• 162% increase

• 162% decrease

• 62% increase

• 62% decrease

Find the percent of change.

From 84 seconds to 8 seconds.

• 950% decrease

• 950% increase

• 90 percent decrease

• 90 percent increase

A TV is regularly priced at $600, but it is on sale for 20% off. What's the sale price?

• $320

• $500

• $480

• $720