Zoe paid a total of $84 for a dress, a windbreaker and a skirt. The dress cost
15 of the total cost of the windbreaker and the skirt. The skirt cost
16 of the total cost of the dress and the windbreaker. Find the total cost of the skirt and the dress.
| Dress |
Windbreaker |
Skirt |
Total |
1x7 =
7 u |
5x7 =
35 u |
6x7 =
42 u |
6x6 =
36 u |
1x6 =
6 u |
7x6 =
42 u |
| 7 u |
29 u |
6 u |
42 u |
Total amount that Zoe paid for the dress, the windbreaker and the skirt = 42 u
42 u = 84
1 u = 84 ÷ 42 = 2
Total cost of the skirt and the dress
= 7 u + 6 u
= 13 u
= 13 x 2
= $26
Answer(s): $26
