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