3 cousins, Ivory, Tina and Barbara, paid a total of $153 for a souvenir. Ivory paid
14 of what the rest paid. Tina paid
18 of what the rest paid. How much did Barbara pay?
Ivory |
Barbara |
Tina |
Total |
1x9 |
4x9 |
5x9 |
8x5 |
1x5 |
9x5 |
9 u |
31 u |
5 u |
45 u |
Total cost of the souvenir = 45 u
45 u = 153
1 u = 153 ÷ 45 = 3.40
Amount that Barbara paid
= 45 u - 9 u - 5 u
= 31 u
= 31 x 3.40
= $105.40
Answer: $105.40