Question

A number decreased by 22% is 117. What is the number?

Answer 1

100-22=78

117=78%

117/78=1.5

1.5=1%

1.5 x 100=150

Answer 2

Old number = 150

Explanation:

Given information;

Percentage decreased = 22%

New number obtain = 117

Find:

Old number

Computation:

Old number = New number obtain[100 / (100 - 22)]

Old number = 117[100 / (100 - 22)]

Old number = 117[100 / (78)]

Old number = 11,700 / 78

Old number = 150