Zeph spent
25 of his income on a game card. He spent
12 of the remaining income on a flying saucer.
- What fraction of his income was left?
- If he had left $15, how much income did Zeph have at first?
(a)
Fraction of income left after spending on a game card
= 1 -
25=
35Fraction of remaining income left
= 1 -
12=
12Fraction of his income left
=
35 x
12=
310(b)
Amount that Zeph had at first = 10 u
Amount that Zeph had left = 3 u
3 u = 15
1 u = 15 ÷ 3 = 5
Total amount that Zeph had at first
= 10 u
= 10 x 5
= $50
Answer(s): (a)
310; (b) $50