Sam spent
35 of his salary on a yoyo. He spent
23 of the remaining salary on a frisbee.
- What fraction of his salary was left?
- If he had left $12, how much salary did Sam have at first?
(a)
Fraction of salary left after spending on a yoyo
= 1 -
35=
25Fraction of remaining salary left
= 1 -
23=
13Fraction of his salary left
=
25 x
13=
215(b)
Amount that Sam had at first = 15 u
Amount that Sam had left = 2 u
2 u = 12
1 u = 12 ÷ 2 = 6
Total amount that Sam had at first
= 15 u
= 15 x 6
= $90
Answer(s): (a)
215; (b) $90