Simon spent
13 of his income on a toy car. He spent
23 of the remaining income on a kitchen set.
- What fraction of his income was left?
- If he had left $10, how much income did Simon have at first?
(a)
Fraction of income left after spending on a toy car
= 1 -
13=
23Fraction of remaining income left
= 1 -
23=
13Fraction of his income left
=
23 x
13=
29(b)
Amount that Simon had at first = 9 u
Amount that Simon had left = 2 u
2 u = 10
1 u = 10 ÷ 2 = 5
Total amount that Simon had at first
= 9 u
= 9 x 5
= $45
Answer(s): (a)
29; (b) $45