(3)

350%

(4)

750%

(5)

75%

(6)

40%

A ratio is a way of expressing a fractional part of a whole number. In a ratio, the

numerator of the fraction is written in front of the denominator instead of over it.

2

The symbol ":" or "-" is placed between the numbers of the ratio.

A ratio is changed to a percentage or decimal in the same way a fraction is

changed to a percentage or decimal.

1:50 → 1 x 100 → 2%

50

1

1:50 = 1 = 1 : 50 = 0.02

50

a. Write the following as ratios:

(1)

1

=

4

(2)

1 =

100

(3)

1 =

10

MD0904

1-40