Sean spent
25 of his income on a mini plane. He spent
23 of the remaining income on a board game.
- What fraction of his income was left?
- If he had left $30, how much income did Sean have at first?
(a)
Fraction of income left after spending on a mini plane
= 1 -
25=
35Fraction of remaining income left
= 1 -
23=
13Fraction of his income left
=
35 x
13=
315(b)
Amount that Sean had at first = 15 u
Amount that Sean had left = 3 u
3 u = 30
1 u = 30 ÷ 3 = 10
Total amount that Sean had at first
= 15 u
= 15 x 10
= $150
Answer(s): (a)
315; (b) $150