Solving Proportions
Finding Percents
Discounts
Sales Tax
Percent Increase or Decrease
100

If 2/x = 1/2, what is the value of x?

4

100

What is 20 out of 50 expressed as a percent?

40%

100

If a coat costs $40 and is on sale for 20% off, how much is the discount?

$8

100

What is the sales tax for a $30 purchase with a 20% tax rate?

$6

100

If a shirt costs $25 and is now priced at $30, what is the percent increase?

20% increase

200

What is 15/25 simplified to its lowest terms?

3/5

200

 What percent is 30 out of 40?

75%

200

What is the discount on an item that costs $75 with a 20% off sale?

$15

200

What is the sales tax for an item that costs $75 with a 25% tax rate?

$18.75

200

If a phone originally priced at $200 is now $100, what is the percent decrease?

50% decrease

300

In the proportion 3/4 = x/16, find the value of x.

12

300

If you score 18 out of 30 points, what percent is that?

60%

300

If a laptop is originally $500 and you receive a 10% discount, how much will you pay?

$450

300

 If a book costs $18, what is the sales tax at a 25% rate?

$4.50

300

An item goes from $60 to $80; what is the percent increase?

33.3% increase

400

What is the ratio of 15 to 9 in simplest form?

5:3

400

What percent is 10 out of 40?

25%

400

How much will you pay for a $600 TV marked at a 20% discount?

$480

400

If an item costs $40 with a 14% tax rate, how much will you pay for the item?

$45.60

400

If your salary increased from $40,000 to $50,000, what is the percent increase?

25% increase

500

If 32 is to 44, what is the simplified ratio?

8/11

500

If you made 32 out of 40 shots in basketball, what percent did you make?

80%

500

If a table is originally priced at $150 and is discounted by 20%, what is the final price after discount?

$120

500

If an item costs $65 with a 12% sales tax rate, how much are you going to pay for the item?

$72.80

500

 If a bike that costs $150 is reduced to $120, what is the percent decrease?

20% decrease