Oscar spent
15 of his income on a game card. He spent
23 of the remaining income on a frisbee.
- What fraction of his income was left?
- If he had left $40, how much income did Oscar have at first?
(a)
Fraction of income left after spending on a game card
= 1 -
15=
45Fraction of remaining income left
= 1 -
23=
13Fraction of his income left
=
45 x
13=
415(b)
Amount that Oscar had at first = 15 u
Amount that Oscar had left = 4 u
4 u = 40
1 u = 40 ÷ 4 = 10
Total amount that Oscar had at first
= 15 u
= 15 x 10
= $150
Answer(s): (a)
415; (b) $150