Question

Caroline, Colin & Sarah share some money.

Caroline gets
1
9
of the money.
Colin and Sarah share the rest in the ratio 3:1.
What proportion does Sarah get?

Answer 1

2/9

Explanation:

After Caroline's share,

1 - 1/9 = 8/9 is left

Sarah gets:

1/(1+3) of 8/9

1/4 × 8/9

2/9