Question

Sue wants to increase 160 by 4%

She writes down

160* 1.4 = 224

Sue's method is wrong.

a) Instead of multiplying by 1.4 , write down what she should have multiplied by --------------------->


Bill wants to decrease 160 by 6%
b) Complete he statement below to show how bill can decrease 160 by 6%

160 * =

Answer 1

a) 1 04.

b) 160 * 0.94.

Explanation:

b) We multiply by 1 - 0.06 = 0.94.

Answer 2

Answer for a) = 0.04
Answer for b) = (160*0.06= 9.6)
160-9.6= 150.4