Simon spent
25 of his salary on a toy car. He spent
34 of the remaining salary on a yoyo.
- What fraction of his salary was left?
- If he had left $21, how much salary did Simon have at first?
(a)
Fraction of salary left after spending on a toy car
= 1 -
25=
35Fraction of remaining salary left
= 1 -
34=
14Fraction of his salary left
=
35 x
14=
320(b)
Amount that Simon had at first = 20 u
Amount that Simon had left = 3 u
3 u = 21
1 u = 21 ÷ 3 = 7
Total amount that Simon had at first
= 20 u
= 20 x 7
= $140
Answer(s): (a)
320; (b) $140