3 brothers, Jen, Tammy and Ivory, paid a total of $57 for a present. Jen paid
14 of what the others paid. Tammy paid
15 of what the others paid. How much did Ivory pay?
| Jen |
Ivory |
Tammy |
Total |
| 1x6 |
4x6 |
5x6 |
| 5x5 |
1x5 |
6x5 |
| 6 u |
19 u |
5 u |
30 u |
Total cost of the present = 30 u
30 u = 57
1 u = 57 ÷ 30 = 1.90
Amount that Ivory paid
= 30 u - 6 u - 5 u
= 19 u
= 19 x 1.90
= $36.10
Answer: $36.10
