Equivalent Fractions
Percentages of Numbers
Fractions to Percents
Review
100

1/2, ?/4, 4/?

2, 8

100

50% of 50 

25

100

1/2

50%

100

x - 10 = 20 

x = 30

200

1/3, ?/15, 2/?

5, 6 

200

30% of 80

24

200

2/10

20%

200

-9 + (-8) - 10

-27

300

2/7, ?/14, 8/?

4, 28

300

10% of 50

5

300

0/100

0%

300

20 * (-2 + 2)

400

19/20, 152/?, 114/?

160, 120

400

20% of 80

16

400

23/50

46%

400

1920

1

500

8/40, ?/10, ?/20

2, 4

500

70% of 49

34.3

500

5/6

83.3%

500

824 / 810 * 87

821

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