Percent review 2

Calculating percents

100

There are 12 orange folders and 13 blue folders.  What percentage of the folders are orange?

48%

200

There are 18 yellow folders, 9 white folders, and 13 green folders.  What percentage of the folders are green and yellow?

77.5%

300

72 is what percent of 90?

80%

400

What is the percent change from 20 to 35?

75% increase

500

What is the percent change from 130 to 90?

30.7% decrease

Percent of a number

100

A shirt normally costs 25, and it is on sale for 30% off.  How much will you save with the discount?

$7.50

200

You buy shoes that cost $80 and the sales tax is 7.5%.  How much do you pay in tax?

$6

300

You buy a shirt that costs $35 and it is on sale for 30% off.  What is the sale price of the shirt?

$24.50

400

You buy a video game that costs $55 and the sales tax is 8%.  What is the total including the tax?

$59.40

500

You buy shoes for $120 and use a 20% off coupon.  The sales tax is 8%.  The sales tax is applied to the sale price.  What is the total cost of the shirt after tax?

$103.68