3 sisters, Jen, Sarah and Penelope, paid a total of $116 for a gift. Jen paid
13 of what the rest paid. Sarah paid
17 of what the rest paid. How much did Penelope pay?
| Jen |
Penelope |
Sarah |
Total |
| 1x2 |
3x2 |
4x2 |
| 7x1 |
1x1 |
8x1 |
| 2 u |
5 u |
1 u |
8 u |
Total cost of the gift = 8 u
8 u = 116
1 u = 116 ÷ 8 = 14.50
Amount that Penelope paid
= 8 u - 2 u - 1 u
= 5 u
= 5 x 14.50
= $72.50
Answer: $72.50
