Zoe paid a total of $144 for a coat, a shirt and a dress. The coat cost
18 of the total cost of the shirt and the dress. The dress cost
17 of the total cost of the coat and the shirt. Find the total cost of the dress and the coat.
| Coat |
Shirt |
Dress |
Total |
1x8 =
8 u |
8x8 =
64 u |
9x8 =
72 u |
7x9 =
63 u |
1x9 =
9 u |
8x9 =
72 u |
| 8 u |
55 u |
9 u |
72 u |
Total amount that Zoe paid for the coat, the shirt and the dress = 72 u
72 u = 144
1 u = 144 ÷ 72 = 2
Total cost of the dress and the coat
= 8 u + 9 u
= 17 u
= 17 x 2
= $34
Answer(s): $34
