3 brothers, Nora, Eva and Shannon, paid a total of $129 for a gift. Nora paid
14 of what the others paid. Eva paid
15 of what the others paid. How much did Shannon pay?
| Nora |
Shannon |
Eva |
Total |
| 1x6 |
4x6 |
5x6 |
| 5x5 |
1x5 |
6x5 |
| 6 u |
19 u |
5 u |
30 u |
Total cost of the gift = 30 u
30 u = 129
1 u = 129 ÷ 30 = 4.30
Amount that Shannon paid
= 30 u - 6 u - 5 u
= 19 u
= 19 x 4.30
= $81.70
Answer: $81.70
