Percent Increase and Decrease

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%

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

• $320

• $500

• $480

• $720

Find the new amount.

52 companies; 25% increase

• 13

• 39

• 65

• 77

Does this question represent a percent INCREASE or a percent DECREASE?

• Increase

• Decrease

A population of 5000 increases by 10% in a year. What is the new population?

• 5500

• 6000

• 500

• 4500

If a population of 5000 increases by 10% in a year, what will be the population after one year?

• 5500

• 6000

• 5050

• 6500

• 20%

• 25%

• 30%

• 15%

A stock increases in value by 5% from $100 to what value?

• $105

• $110

• $95

• $100.50

A store sold 150 items last month and 180 items this month. What is the percentage increase in sales?

• 20%

• 15%

• 25%

• 30%