tax tip and percents

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 tip amount on a $20 lunch if you leave a 20% tip.

• $ .40
• $ 2.00
• $ 4
• $ 24

How much tax would you pay on a new TV that is $899 at Best Buy, if the tax rate is 6.5%?

• $957.44
• $841
• $58.43
• $584.30

The regular price is $24.50.  Your discount is15% off.  What is the sale price of your shirt?

• $64.82
• $20.83
• $25.94
• $163.33

Write 8.25% as a decimal. 

• 0.0825
• 0.825
• 82.5
• 825

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