Fred spent
35 of his allowance on a frisbee. He spent
13 of the remaining allowance on a lego set.
- What fraction of his allowance was left?
- If he had left $36, how much allowance did Fred have at first?
(a)
Fraction of allowance left after spending on a frisbee
= 1 -
35=
25Fraction of remaining allowance left
= 1 -
13=
23Fraction of his allowance left
=
25 x
23=
415(b)
Amount that Fred had at first = 15 u
Amount that Fred had left = 4 u
4 u = 36
1 u = 36 ÷ 4 = 9
Total amount that Fred had at first
= 15 u
= 15 x 9
= $135
Answer(s): (a)
415; (b) $135