3 cousins, Xylia, Cindy and Roshel, paid a total of $186 for a gift. Xylia paid
13 of what the others paid. Cindy paid
15 of what the others paid. How much did Roshel pay?
| Xylia |
Roshel |
Cindy |
Total |
| 1x3 |
3x3 |
4x3 |
| 5x2 |
1x2 |
6x2 |
| 3 u |
7 u |
2 u |
12 u |
Total cost of the gift = 12 u
12 u = 186
1 u = 186 ÷ 12 = 15.50
Amount that Roshel paid
= 12 u - 3 u - 2 u
= 7 u
= 7 x 15.50
= $108.50
Answer: $108.50
