Changing a percentage to a ratio is the same as changing a percentage to a

fraction.

50% = .50 = 50 = 1 = 1:2

100 2

This is calculated in the same manner as changing a decimal to a fraction.

EXAMPLE: Change 0.5 to a ratio.

5 1

0.5 =

= = 1:2

10 2

a. Change the following percentages to ratios:

(1)

10%

_________________

(2)

1%

_________________

2

(3)

80%

__________________

(4)

40%

__________________

(5)

1%

__________________

4

(6)

1%

__________________

b. Change the following decimals to ratios:

(1)

0.2

__________________

(2)

0.025

__________________

(3)

0.05

__________________

MD0904

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