Michael spent
15 of his income on a frisbee. He spent
12 of the remaining income on a kitchen set.
- What fraction of his income was left?
- If he had left $36, how much income did Michael have at first?
(a)
Fraction of income left after spending on a frisbee
= 1 -
15=
45Fraction of remaining income left
= 1 -
12=
12Fraction of his income left
=
45 x
12=
410(b)
Amount that Michael had at first = 10 u
Amount that Michael had left = 4 u
4 u = 36
1 u = 36 ÷ 4 = 9
Total amount that Michael had at first
= 10 u
= 10 x 9
= $90
Answer(s): (a)
410; (b) $90