A blouse cost $5 more than a cardigan. Anna paid $92 for 3 blouses and 4 cardigans. How much did 1 blouse cost?
|
Cardigans |
Blouses |
Total |
Number |
4 |
3 |
|
Value |
1 u |
1 u + 5 |
|
Total value |
4 u |
3 u + 15 |
7 u + 15 |
Cost of 1 cardigan = 1 u
Cost of 4 cardigans = 4 u
Cost of 1 blouse = 1 u + 5
Cost of 3 blouses
= 3 x (1 u + 5)
= 3 u + 15
Cost of 4 cardigans and 3 blouses
= 4 u + 3 u + 15
= 7 u + 15
7 u + 15 = 92
7 u = 92 - 15
7 u = 77
1 u = 77 ÷ 7 = 11
Cost of 1 blouse
= 11 + 5
= $16
Answer(s): $16