3 sisters, Hilda, Gwen and Zoe, paid a total of $78 for a gift. Hilda paid
14 of what the others paid. Gwen paid
15 of what the others paid. How much did Zoe pay?
| Hilda |
Zoe |
Gwen |
Total |
| 1x6 |
4x6 |
5x6 |
| 5x5 |
1x5 |
6x5 |
| 6 u |
19 u |
5 u |
30 u |
Total cost of the gift = 30 u
30 u = 78
1 u = 78 ÷ 30 = 2.60
Amount that Zoe paid
= 30 u - 6 u - 5 u
= 19 u
= 19 x 2.60
= $49.40
Answer: $49.40
