Zoe paid a total of $144 for a blouse, a sweater and a shirt. The blouse cost
18 of the total cost of the sweater and the shirt. The shirt cost
17 of the total cost of the blouse and the sweater. Find the total cost of the shirt and the blouse.
| Blouse |
Sweater |
Shirt |
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 blouse, the sweater and the shirt = 72 u
72 u = 144
1 u = 144 ÷ 72 = 2
Total cost of the shirt and the blouse
= 8 u + 9 u
= 17 u
= 17 x 2
= $34
Answer(s): $34
