Zoe paid a total of $135 for a dress, a windbreaker and a sweater. The dress cost
18 of the total cost of the windbreaker and the sweater. The sweater cost
14 of the total cost of the dress and the windbreaker. Find the total cost of the sweater and the dress.
| Dress |
Windbreaker |
Sweater |
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 dress, the windbreaker and the sweater = 45 u
45 u = 135
1 u = 135 ÷ 45 = 3
Total cost of the sweater and the dress
= 5 u + 9 u
= 14 u
= 14 x 3
= $42
Answer(s): $42
