Zoe paid a total of $216 for a skirt, a sweater and a dress. The skirt cost
27 of the total cost of the sweater and the dress. The dress cost
17 of the total cost of the skirt and the sweater. Find the total cost of the dress and the skirt.
| Skirt |
Sweater |
Dress |
Total |
2x8 =
16 u |
7x8 =
56 u |
9x8 =
72 u |
7x9 =
63 u |
1x9 =
9 u |
8x9 =
72 u |
| 16 u |
47 u |
9 u |
72 u |
Total amount that Zoe paid for the skirt, the sweater and the dress = 72 u
72 u = 216
1 u = 216 ÷ 72 = 3
Total cost of the dress and the skirt
= 16 u + 9 u
= 25 u
= 25 x 3
= $75
Answer(s): $75
