3 cousins, Emily, Joelle and Irene, paid a total of $183 for a present. Emily paid
12 of what the others paid. Joelle paid
15 of what the others paid. How much did Irene pay?
| Emily |
Irene |
Joelle |
Total |
| 1x2 |
2x2 |
3x2 |
| 5x1 |
1x1 |
6x1 |
| 2 u |
3 u |
1 u |
6 u |
Total cost of the present = 6 u
6 u = 183
1 u = 183 ÷ 6 = 30.50
Amount that Irene paid
= 6 u - 2 u - 1 u
= 3 u
= 3 x 30.50
= $91.50
Answer: $91.50
