3 brothers, Irene, Roshel and Kathy, paid a total of $84 for a souvenir. Irene paid
14 of what the others paid. Roshel paid
17 of what the others paid. How much did Kathy pay?
Irene |
Kathy |
Roshel |
Total |
1x8 |
4x8 |
5x8 |
7x5 |
1x5 |
8x5 |
8 u |
27 u |
5 u |
40 u |
Total cost of the souvenir = 40 u
40 u = 84
1 u = 84 ÷ 40 = 2.10
Amount that Kathy paid
= 40 u - 8 u - 5 u
= 27 u
= 27 x 2.10
= $56.70
Answer: $56.70