3 cousins, Victoria, Pamela and Zara, paid a total of $54 for a present. Victoria paid
14 of what the rest paid. Pamela paid
18 of what the rest paid. How much did Zara pay?
Victoria |
Zara |
Pamela |
Total |
1x9 |
4x9 |
5x9 |
8x5 |
1x5 |
9x5 |
9 u |
31 u |
5 u |
45 u |
Total cost of the present = 45 u
45 u = 54
1 u = 54 ÷ 45 = 1.20
Amount that Zara paid
= 45 u - 9 u - 5 u
= 31 u
= 31 x 1.20
= $37.20
Answer: $37.20