Math 7 - Unit 4 Percent Review

64

16 is 25% of what number?

6.25%

25 is what percent of 400?

$129.60

A PS4 sells for $288. On Black Friday it will be 40% off and you also have a 25% off coupon. What is the final sale price?

18.9%

A bag contains 185 marbles. You guessed it might contain 150. What was your percent of error? Round to the nearest tenth.

$3.83

Emily wants to leave a 15% tip on a restaurant bill of $25.50. How much will he leave?

Move the decimal point to the right two spaces

How do you convert a decimal to a percent?

Move the decimal point to the left two spaces

How do you convert a percent to a decimal?

subtraction

Is a discount added to or subtracted from the original price?

added

Is tax added to or subtracted from the subtotal?

13

Item cost: $130 Tax: 10% What is the amount of the tax?

22.32

Item cost: $20 Discount: 7% Tax: 20% What is the total price?

22.26

Item cost: $21 Tax: 6% What is the total including tax?

5

Item cost: $25 Discount: 20% What is the amount of the discount?

decrease the price

What does a markdown do?

increase the price

What does a markup do?

30

What is 1/4 of 120?

120

What is 20% of 600?

$288

You borrowed $1600 from your sister at a rate of 4.5% for 4 years. How much simple interest will you pay your sister?

60% decrease

You bought a coat for $110. The original price was $275. What is the percent of change?

5%

You earned $90 in interest for depositing $3600 into your savings account for 6 months. What was your interest rate?