3 sisters, Irene, Kathy and Jean, paid a total of $35 for a present. Irene paid
12 of what the others paid. Kathy paid
15 of what the others paid. How much did Jean pay?
| Irene |
Jean |
Kathy |
Total |
| 1x2 |
2x2 |
3x2 |
| 5x1 |
1x1 |
6x1 |
| 2 u |
3 u |
1 u |
6 u |
Total cost of the present = 6 u
6 u = 35
1 u = 35 ÷ 6 = 5.83
Amount that Jean paid
= 6 u - 2 u - 1 u
= 3 u
= 3 x 5.83
= $17.50
Answer: $17.50
