Ian spent
15 of his income on a toy figurine. He spent
12 of the remaining income on a basketball set.
- What fraction of his income was left?
- If he had left $28, how much income did Ian have at first?
(a)
Fraction of income left after spending on a toy figurine
= 1 -
15=
45Fraction of remaining income left
= 1 -
12=
12Fraction of his income left
=
45 x
12=
410(b)
Amount that Ian had at first = 10 u
Amount that Ian had left = 4 u
4 u = 28
1 u = 28 ÷ 4 = 7
Total amount that Ian had at first
= 10 u
= 10 x 7
= $70
Answer(s): (a)
410; (b) $70