Zoe paid a total of $135 for a sweater, a shirt and a vest. The sweater cost
18 of the total cost of the shirt and the vest. The vest cost
14 of the total cost of the sweater and the shirt. Find the total cost of the vest and the sweater.
| Sweater |
Shirt |
Vest |
Total |
1x5 =
5 u |
8x5 =
40 u |
9x5 =
45 u |
4x9 =
36 u |
1x9 =
9 u |
5x9 =
45 u |
| 5 u |
31 u |
9 u |
45 u |
Total amount that Zoe paid for the sweater, the shirt and the vest = 45 u
45 u = 135
1 u = 135 ÷ 45 = 3
Total cost of the vest and the sweater
= 5 u + 9 u
= 14 u
= 14 x 3
= $42
Answer(s): $42
