Cody spent
15 of his allowance on a game card. He spent
34 of the remaining allowance on a yoyo.
- What fraction of his allowance was left?
- If he had left $20, how much allowance did Cody have at first?
(a)
Fraction of allowance left after spending on a game card
= 1 -
15=
45Fraction of remaining allowance left
= 1 -
34=
14Fraction of his allowance left
=
45 x
14=
420(b)
Amount that Cody had at first = 20 u
Amount that Cody had left = 4 u
4 u = 20
1 u = 20 ÷ 4 = 5
Total amount that Cody had at first
= 20 u
= 20 x 5
= $100
Answer(s): (a)
420; (b) $100