Daniel had $28.70 less than Betty. He spent
29 of his money on a notebook which cost $5.60. Betty spent
27 of her money on a windbreaker. How much had Betty left?
| |
Daniel |
Betty |
| Before |
9 u |
7 p |
| Change |
- 2 u |
- 2 p |
| After |
7 u |
5 p |
Amount that Daniel spent on the notebook = 2 u
2 u = 5.60
1 u = 5.60 ÷ 2 = 2.80
Amount that Daniel had at first
= 9 u
= 9 x 2.80
= $25.20
Amount that Betty had at first
= 25.20 + 28.70
= $53.90
Fraction of money that Betty had left
= 1 -
27 =
57 Amount that Betty had at first = 7 p
7 p = 53.90
1 p = 53.90 ÷ 7 = 7.70
Amount that Betty had left
= 5 p
= 5 x 7.70
= $38.50
Answer(s): $38.50
