3 brothers, Diana, Olivia and Tammy, paid a total of $140 for a gift. Diana paid
14 of what the rest paid. Olivia paid
17 of what the rest paid. How much did Tammy pay?
| Diana |
Tammy |
Olivia |
Total |
| 1x8 |
4x8 |
5x8 |
| 7x5 |
1x5 |
8x5 |
| 8 u |
27 u |
5 u |
40 u |
Total cost of the gift = 40 u
40 u = 140
1 u = 140 ÷ 40 = 3.50
Amount that Tammy paid
= 40 u - 8 u - 5 u
= 27 u
= 27 x 3.50
= $94.50
Answer: $94.50
