Zoe paid a total of $252 for a skirt, a vest and a sweater. The skirt cost
18 of the total cost of the vest and the sweater. The sweater cost
16 of the total cost of the skirt and the vest. Find the total cost of the sweater and the skirt.
| Skirt |
Vest |
Sweater |
Total |
1x7 =
7 u |
8x7 =
56 u |
9x7 =
63 u |
6x9 =
54 u |
1x9 =
9 u |
7x9 =
63 u |
| 7 u |
47 u |
9 u |
63 u |
Total amount that Zoe paid for the skirt, the vest and the sweater = 63 u
63 u = 252
1 u = 252 ÷ 63 = 4
Total cost of the sweater and the skirt
= 7 u + 9 u
= 16 u
= 16 x 4
= $64
Answer(s): $64
