Ken had $54.90 less than Shannon. He spent
79 of his money on a pen which cost $11.20. Shannon spent
47 of her money on a blouse. How much had Shannon left?
| |
Ken |
Shannon |
| Before |
9 u |
7 p |
| Change |
- 7 u |
- 4 p |
| After |
2 u |
3 p |
Amount that Ken spent on the pen = 7 u
7 u = 11.20
1 u = 11.20 ÷ 7 = 1.60
Amount that Ken had at first
= 9 u
= 9 x 1.60
= $14.40
Amount that Shannon had at first
= 14.40 + 54.90
= $69.30
Fraction of money that Shannon had left
= 1 -
47 =
37 Amount that Shannon had at first = 7 p
7 p = 69.30
1 p = 69.30 ÷ 7 = 9.90
Amount that Shannon had left
= 3 p
= 3 x 9.90
= $29.70
Answer(s): $29.70
