3 brothers, Olivia, Betty and Zara, paid a total of $52 for a present. Olivia paid
14 of what the others paid. Betty paid
17 of what the others paid. How much did Zara pay?
| Olivia |
Zara |
Betty |
Total |
| 1x8 |
4x8 |
5x8 |
| 7x5 |
1x5 |
8x5 |
| 8 u |
27 u |
5 u |
40 u |
Total cost of the present = 40 u
40 u = 52
1 u = 52 ÷ 40 = 1.30
Amount that Zara paid
= 40 u - 8 u - 5 u
= 27 u
= 27 x 1.30
= $35.10
Answer: $35.10
