Oscar had $32.40 less than Diana. He spent
25 of his money on a pencil which cost $5.40. Diana spent
79 of her money on a jacket. How much had Diana left?
| |
Oscar |
Diana |
| Before |
5 u |
9 p |
| Change |
- 2 u |
- 7 p |
| After |
3 u |
2 p |
Amount that Oscar spent on the pencil = 2 u
2 u = 5.40
1 u = 5.40 ÷ 2 = 2.70
Amount that Oscar had at first
= 5 u
= 5 x 2.70
= $13.50
Amount that Diana had at first
= 13.50 + 32.40
= $45.90
Fraction of money that Diana had left
= 1 -
79 =
29 Amount that Diana had at first = 9 p
9 p = 45.90
1 p = 45.90 ÷ 9 = 5.10
Amount that Diana had left
= 2 p
= 2 x 5.10
= $10.20
Answer(s): $10.20
