Percent to Decimal Increase 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%

Write 8.25% as a decimal. 

• 0.0825

• 0.825

• 82.5

• 825

Find the new amount.

710 points; 10% increase

• 71

• 639

• 781

• 720

• 20%

• 25%

• 30%

• 15%

If a shirt originally costs $50 and is on sale for 20% off, what is the sale price?

• $40

• $45

• $10

• $35

A population of 500 increases by 10% in a year. What is the new population?

• 550

• 600

• 510

• 500

• 20%

• 25%

• 15%

• 10%

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

• $105

• $110

• $95

• $100.50

A painting cost $4,563 though over a span of 5 years increased by 500%. How much does it cost now?

• $41,000

• $27,378
  

• $31,000

• $27,386

Tags

CCSS.Math.Content.7.RP.A.3