3 brothers, Kathy, Sarah and Roshel, paid a total of $136 for a gift. Kathy paid
14 of what the others paid. Sarah paid
17 of what the others paid. How much did Roshel pay?
| Kathy |
Roshel |
Sarah |
Total |
| 1x8 |
4x8 |
5x8 |
| 7x5 |
1x5 |
8x5 |
| 8 u |
27 u |
5 u |
40 u |
Total cost of the gift = 40 u
40 u = 136
1 u = 136 ÷ 40 = 3.40
Amount that Roshel paid
= 40 u - 8 u - 5 u
= 27 u
= 27 x 3.40
= $91.80
Answer: $91.80
