Oliver had $48.60 less than Diana. He spent
23 of his money on a file which cost $4.20. Diana spent
79 of her money on a windbreaker. How much had Diana left?
| |
Oliver |
Diana |
| Before |
3 u |
9 p |
| Change |
- 2 u |
- 7 p |
| After |
1 u |
2 p |
Amount that Oliver spent on the file = 2 u
2 u = 4.20
1 u = 4.20 ÷ 2 = 2.10
Amount that Oliver had at first
= 3 u
= 3 x 2.10
= $6.30
Amount that Diana had at first
= 6.30 + 48.60
= $54.90
Fraction of money that Diana had left
= 1 -
79 =
29 Amount that Diana had at first = 9 p
9 p = 54.90
1 p = 54.90 ÷ 9 = 6.10
Amount that Diana had left
= 2 p
= 2 x 6.10
= $12.20
Answer(s): $12.20
