Decimals
Fractions
Word Problems
Proportions/Equations
Percent Change
100

4%

.04

100

3/5

60%

100

A big-screen TV that previously sold for $2400 has been marked down to $2,040. What is the percent of decrease?

15%

100

What percent of 80 is 42?

52.5%

100

758 to 604

20% 

200

225%

2.25

200

3/8

37.5%

200

A manufacturer employs 294 part-time workers. This is 30% of their employees. What is their total employee count?

980

200

80% of 70 is what number?

87.6

200

8.3 to 9.1

about 10%

300

0.72%

0.0072

300

8/5

160%

300

Six-sevenths of the tickets to a local community's group's annual performance were sold. If 82 tickets were left over, how many tickets were sold?

492

300

63 is 25% of what number?

252

400

.6

60%

400

85%

17/20

400

While visiting your cousin, who lives in another state, you buy a souvenir for $12. Upon entering the purchase price into the cash register, the sales clerk advises you that the total amount due, including tax, is $12.72. What is the sales tax in this state?

6%

400

20% of what number is 80?

400

500

0.0032

.32%

500

350%

3 1/2
500

A book store is having a sale. All hardback books are 20% off, and all paperbacks are 10% off. Suppose you buy four paperbacks that originally cost $9 each and two hardbacks that originally cost $20 each. What percent of the total cost have you saved? Round to the nearest percent.

about 15%

500

WHAT PERCENT OF 72 IS 12?

about 17%