Lee spent
35 of his allowance on a lego set. He spent
23 of the remaining allowance on a doll set.
- What fraction of his allowance was left?
- If he had left $20, how much allowance did Lee have at first?
(a)
Fraction of allowance left after spending on a lego set
= 1 -
35=
25Fraction of remaining allowance left
= 1 -
23=
13Fraction of his allowance left
=
25 x
13=
215(b)
Amount that Lee had at first = 15 u
Amount that Lee had left = 2 u
2 u = 20
1 u = 20 ÷ 2 = 10
Total amount that Lee had at first
= 15 u
= 15 x 10
= $150
Answer(s): (a)
215; (b) $150