3 cousins, Zara, Anna and Gillian, paid a total of $63 for a gift. Zara paid
12 of what the rest paid. Anna paid
15 of what the rest paid. How much did Gillian pay?
| Zara |
Gillian |
Anna |
Total |
| 1x2 |
2x2 |
3x2 |
| 5x1 |
1x1 |
6x1 |
| 2 u |
3 u |
1 u |
6 u |
Total cost of the gift = 6 u
6 u = 63
1 u = 63 ÷ 6 = 10.50
Amount that Gillian paid
= 6 u - 2 u - 1 u
= 3 u
= 3 x 10.50
= $31.50
Answer: $31.50
