Reggie spent
15 of his income on a yoyo. He spent
34 of the remaining income on a mini-helicopter.
- What fraction of his income was left?
- If he had left $28, how much income did Reggie have at first?
(a)
Fraction of income left after spending on a yoyo
= 1 -
15=
45Fraction of remaining income left
= 1 -
34=
14Fraction of his income left
=
45 x
14=
420(b)
Amount that Reggie had at first = 20 u
Amount that Reggie had left = 4 u
4 u = 28
1 u = 28 ÷ 4 = 7
Total amount that Reggie had at first
= 20 u
= 20 x 7
= $140
Answer(s): (a)
420; (b) $140