Question

8 The sum of the ages of a boy and his mother is 48. If the mother is three more than twice the

boy’s age, fi nd the difference in the ages of the boy and his mother.

Answer 1

difference of 18

Explanation:

mother = 2x + 3

boy = x

2x + 3 + x = 48

3x + 3 = 48

3x = 45

x = 15

mother = 33

boy = 15

33 - 15 = 18