3 brothers, Zoe, Irene and Xandra, paid a total of $64 for a present. Zoe paid
14 of what the rest paid. Irene paid
17 of what the rest paid. How much did Xandra pay?
| Zoe |
Xandra |
Irene |
Total |
| 1x8 |
4x8 |
5x8 |
| 7x5 |
1x5 |
8x5 |
| 8 u |
27 u |
5 u |
40 u |
Total cost of the present = 40 u
40 u = 64
1 u = 64 ÷ 40 = 1.60
Amount that Xandra paid
= 40 u - 8 u - 5 u
= 27 u
= 27 x 1.60
= $43.20
Answer: $43.20
