Zoe paid a total of $96 for a skirt, a dress and a sweater. The skirt cost
15 of the total cost of the dress and the sweater. The sweater cost
17 of the total cost of the skirt and the dress. Find the total cost of the sweater and the skirt.
| Skirt |
Dress |
Sweater |
Total |
1x4 =
4 u |
5x4 =
20 u |
6x4 =
24 u |
7x3 =
21 u |
1x3 =
3 u |
8x3 =
24 u |
| 4 u |
17 u |
3 u |
24 u |
Total amount that Zoe paid for the skirt, the dress and the sweater = 24 u
24 u = 96
1 u = 96 ÷ 24 = 4
Total cost of the sweater and the skirt
= 4 u + 3 u
= 7 u
= 7 x 4
= $28
Answer(s): $28
