Percent of a Number Review

Percent of a Number (OF)

100

23% of 150

34.5

200

 21% of 65 

13.65

300

70% of 50

35

400

62% of 130

80.6

500

0.25% of 900

2.25

Set Up

100

The proportion for 75% of 30 is

75/100 = x/30

200

The proportion for 12 is what percent of 30

x/100 = 12/30

300

The proportion for 40% of 50 is

40/100 = x/50

400

The proportion for 40% of 5 is

40/100 = x/5

500

The proportion for what percent is .5 of 20 

x/100 = .5/20

Percent of a Number (%)

100

28 is what percent of 40

70%

200

35 is what percent of 175

20%

300

What percent of 80 is 60

75%

400

8 is what percent of 18

44.4%

500

what percent of 40 is 14

35%