Mark spent
35 of his income on a mini plane. He spent
34 of the remaining income on a toy figurine.
- What fraction of his income was left?
- If he had left $18, how much income did Mark have at first?
(a)
Fraction of income left after spending on a mini plane
= 1 -
35=
25Fraction of remaining income left
= 1 -
34=
14Fraction of his income left
=
25 x
14=
220(b)
Amount that Mark had at first = 20 u
Amount that Mark had left = 2 u
2 u = 18
1 u = 18 ÷ 2 = 9
Total amount that Mark had at first
= 20 u
= 20 x 9
= $180
Answer(s): (a)
220; (b) $180