Zoe paid a total of $54 for a blazer, a blouse and a sweater. The blazer cost
18 of the total cost of the blouse and the sweater. The sweater cost
15 of the total cost of the blazer and the blouse. Find the total cost of the sweater and the blazer.
| Blazer |
Blouse |
Sweater |
Total |
1x2 =
2 u |
8x2 =
16 u |
9x2 =
18 u |
5x3 =
15 u |
1x3 =
3 u |
6x3 =
18 u |
| 2 u |
13 u |
3 u |
18 u |
Total amount that Zoe paid for the blazer, the blouse and the sweater = 18 u
18 u = 54
1 u = 54 ÷ 18 = 3
Total cost of the sweater and the blazer
= 2 u + 3 u
= 5 u
= 5 x 3
= $15
Answer(s): $15
