3 cousins, Diana, Hazel and Wendy, paid a total of $189 for a souvenir. Diana paid
14 of what the rest paid. Hazel paid
16 of what the rest paid. How much did Wendy pay?
Diana |
Wendy |
Hazel |
Total |
1x7 |
4x7 |
5x7 |
6x5 |
1x5 |
7x5 |
7 u |
23 u |
5 u |
35 u |
Total cost of the souvenir = 35 u
35 u = 189
1 u = 189 ÷ 35 = 5.40
Amount that Wendy paid
= 35 u - 7 u - 5 u
= 23 u
= 23 x 5.40
= $124.20
Answer: $124.20