Wesley spent
15 of his income on a marble. He spent
23 of the remaining income on a mini-helicopter.
- What fraction of his income was left?
- If he had left $20, how much income did Wesley have at first?
(a)
Fraction of income left after spending on a marble
= 1 -
15=
45Fraction of remaining income left
= 1 -
23=
13Fraction of his income left
=
45 x
13=
415(b)
Amount that Wesley had at first = 15 u
Amount that Wesley had left = 4 u
4 u = 20
1 u = 20 ÷ 4 = 5
Total amount that Wesley had at first
= 15 u
= 15 x 5
= $75
Answer(s): (a)
415; (b) $75