3 cousins, Nicole, Emily and Usha, paid a total of $171 for a present. Nicole paid
14 of what the rest paid. Emily paid
18 of what the rest paid. How much did Usha pay?
| Nicole |
Usha |
Emily |
Total |
| 1x9 |
4x9 |
5x9 |
| 8x5 |
1x5 |
9x5 |
| 9 u |
31 u |
5 u |
45 u |
Total cost of the present = 45 u
45 u = 171
1 u = 171 ÷ 45 = 3.80
Amount that Usha paid
= 45 u - 9 u - 5 u
= 31 u
= 31 x 3.80
= $117.80
Answer: $117.80
