Fraction to Percent
Decimal to Percent
Estimating Percent
Which is larger
Percent of a number
100

7/10

70%

100

.82

82%

100

 42 out of 52

around 80%
100

 15%  or 0.2

0.2

100

25% of 80

20

200
17/25

68%

200

0.41

41%

200

$19.99 compared to $79.97


around 25%

200

1/4 or 25%

equal

200

10% of 360

36

300

27/90

30%

300

0.07

7%

300

18/47

around 40%

300

2/3 or 70%

70%

300

35% of 60

21

400

45/75

60%

400

.8

80%

400

29 seconds out of a minute

around 50%

400

4/12  or 40%

40%

400
42% of 85

35.7

500

18/27

67%

500

1

100%

500

Bones account for about 20% of a person’s total mass. Estimate the mass of the bones in a 62 kg person.


around 12 kg

500

23/46  or 48%

23/46

500
17% of 97

16.49

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