Zoe paid a total of $90 for a vest, a blazer and a blouse. The vest cost
27 of the total cost of the blazer and the blouse. The blouse cost
15 of the total cost of the vest and the blazer. Find the total cost of the blouse and the vest.
| Vest |
Blazer |
Blouse |
Total |
2x2 =
4 u |
7x2 =
14 u |
9x2 =
18 u |
5x3 =
15 u |
1x3 =
3 u |
6x3 =
18 u |
| 4 u |
11 u |
3 u |
18 u |
Total amount that Zoe paid for the vest, the blazer and the blouse = 18 u
18 u = 90
1 u = 90 ÷ 18 = 5
Total cost of the blouse and the vest
= 4 u + 3 u
= 7 u
= 7 x 5
= $35
Answer(s): $35
