A jacket cost $19 more than a cardigan. Anna paid $169 for 3 jackets and 4 cardigans. How much did 1 jacket cost?
|
Cardigans |
Jackets |
Total |
Number |
4 |
3 |
|
Value |
1 u |
1 u + 19 |
|
Total value |
4 u |
3 u + 57 |
7 u + 57 |
Cost of 1 cardigan = 1 u
Cost of 4 cardigans = 4 u
Cost of 1 jacket = 1 u + 19
Cost of 3 jackets
= 3 x (1 u + 19)
= 3 u + 57
Cost of 4 cardigans and 3 jackets
= 4 u + 3 u + 57
= 7 u + 57
7 u + 57 = 169
7 u = 169 - 57
7 u = 112
1 u = 112 ÷ 7 = 16
Cost of 1 jacket
= 16 + 19
= $35
Answer(s): $35