Ken spent
14 of his allowance on a mini-helicopter. He spent
13 of the remaining allowance on a lego set.
- What fraction of his allowance was left?
- If he had left $48, how much allowance did Ken have at first?
(a)
Fraction of allowance left after spending on a mini-helicopter
= 1 -
14=
34Fraction of remaining allowance left
= 1 -
13=
23Fraction of his allowance left
=
34 x
23=
612(b)
Amount that Ken had at first = 12 u
Amount that Ken had left = 6 u
6 u = 48
1 u = 48 ÷ 6 = 8
Total amount that Ken had at first
= 12 u
= 12 x 8
= $96
Answer(s): (a)
612; (b) $96