3 brothers, Betty, Jean and Roshel, paid a total of $91 for a gift. Betty paid
14 of what the rest paid. Jean paid
16 of what the rest paid. How much did Roshel pay?
| Betty |
Roshel |
Jean |
Total |
| 1x7 |
4x7 |
5x7 |
| 6x5 |
1x5 |
7x5 |
| 7 u |
23 u |
5 u |
35 u |
Total cost of the gift = 35 u
35 u = 91
1 u = 91 ÷ 35 = 2.60
Amount that Roshel paid
= 35 u - 7 u - 5 u
= 23 u
= 23 x 2.60
= $59.80
Answer: $59.80
