Peter spent
15 of his income on a mini plane. He spent
13 of the remaining income on a basketball set.
- What fraction of his income was left?
- If he had left $64, how much income did Peter have at first?
(a)
Fraction of income left after spending on a mini plane
= 1 -
15=
45Fraction of remaining income left
= 1 -
13=
23Fraction of his income left
=
45 x
23=
815(b)
Amount that Peter had at first = 15 u
Amount that Peter had left = 8 u
8 u = 64
1 u = 64 ÷ 8 = 8
Total amount that Peter had at first
= 15 u
= 15 x 8
= $120
Answer(s): (a)
815; (b) $120