Zoe paid a total of $90 for a skirt, a sweater and a windbreaker. The skirt cost
18 of the total cost of the sweater and the windbreaker. The windbreaker cost
14 of the total cost of the skirt and the sweater. Find the total cost of the windbreaker and the skirt.
| Skirt |
Sweater |
Windbreaker |
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 skirt, the sweater and the windbreaker = 45 u
45 u = 90
1 u = 90 ÷ 45 = 2
Total cost of the windbreaker and the skirt
= 5 u + 9 u
= 14 u
= 14 x 2
= $28
Answer(s): $28
