Zoe paid a total of $144 for a shirt, a dress and a sweater. The shirt cost
27 of the total cost of the dress and the sweater. The sweater cost
17 of the total cost of the shirt and the dress. Find the total cost of the sweater and the shirt.
| Shirt |
Dress |
Sweater |
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 shirt, the dress and the sweater = 72 u
72 u = 144
1 u = 144 ÷ 72 = 2
Total cost of the sweater and the shirt
= 16 u + 9 u
= 25 u
= 25 x 2
= $50
Answer(s): $50
