3 cousins, Xandra, Cathy and Esther, paid a total of $48 for a present. Xandra paid
14 of what the others paid. Cathy paid
17 of what the others paid. How much did Esther pay?
| Xandra |
Esther |
Cathy |
Total |
| 1x8 |
4x8 |
5x8 |
| 7x5 |
1x5 |
8x5 |
| 8 u |
27 u |
5 u |
40 u |
Total cost of the present = 40 u
40 u = 48
1 u = 48 ÷ 40 = 1.20
Amount that Esther paid
= 40 u - 8 u - 5 u
= 27 u
= 27 x 1.20
= $32.40
Answer: $32.40
