3 cousins, Raeann, Winnie and Xuan, paid a total of $77 for a souvenir. Raeann paid
14 of what the rest paid. Winnie paid
16 of what the rest paid. How much did Xuan pay?
Raeann |
Xuan |
Winnie |
Total |
1x7 |
4x7 |
5x7 |
6x5 |
1x5 |
7x5 |
7 u |
23 u |
5 u |
35 u |
Total cost of the souvenir = 35 u
35 u = 77
1 u = 77 ÷ 35 = 2.20
Amount that Xuan paid
= 35 u - 7 u - 5 u
= 23 u
= 23 x 2.20
= $50.60
Answer: $50.60