change to fraction
change to decimal
change to percent
percent proportion
100

70%

in simplest form

7/10

100

70%

0.7

100

4/10

40%

100

what is 40% of 45

18

200

0.2

in simplest form

1/5

200

35.5%

0.355

200

0.38

38%

200

30 is what percent of 8

375%

300

0.38

in simplest form

19/50

300

6%

0.06

300

0.125

12.5%

300

60% of what number is 12

20

400

35.5%

in simplest form

71/200

400

1 1/2%

0.015

400

9/20

45%

400

what percent of 500 is 350

70%

500

17.5%

in simplest form

7/40

500

9/20

0.45

500

7/8

87.5%

500

what percent of 200 is 11

5.5%

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