3 brothers, Nora, Zara and Sarah, paid a total of $192 for a souvenir. Nora paid
14 of what the others paid. Zara paid
17 of what the others paid. How much did Sarah pay?
Nora |
Sarah |
Zara |
Total |
1x8 |
4x8 |
5x8 |
7x5 |
1x5 |
8x5 |
8 u |
27 u |
5 u |
40 u |
Total cost of the souvenir = 40 u
40 u = 192
1 u = 192 ÷ 40 = 4.80
Amount that Sarah paid
= 40 u - 8 u - 5 u
= 27 u
= 27 x 4.80
= $129.60
Answer: $129.60