Valen spent
45 of his allowance on a mini-helicopter. He spent
13 of the remaining allowance on a board game.
- What fraction of his allowance was left?
- If he had left $10, how much allowance did Valen have at first?
(a)
Fraction of allowance left after spending on a mini-helicopter
= 1 -
45=
15Fraction of remaining allowance left
= 1 -
13=
23Fraction of his allowance left
=
15 x
23=
215(b)
Amount that Valen had at first = 15 u
Amount that Valen had left = 2 u
2 u = 10
1 u = 10 ÷ 2 = 5
Total amount that Valen had at first
= 15 u
= 15 x 5
= $75
Answer(s): (a)
215; (b) $75