Mrs Seow bought an equal number of coats and jackets. Each coat cost $10 and each jacket cost $6. Mrs Seow paid $42 for the jackets. What was the total amount of money spent?
| |
Coats |
Jackets |
Total |
| Number |
1 u |
1 u |
2 u |
| Value |
$10 |
$6 |
|
| Total value |
10 u |
6 u |
16 u |
Number of coats = 1 u
Number of jackets = 1 u
Total cost of coats = 1 u x 10 = 10 u
Total cost of jackets = 1 u x 6 = 6 u
6 u = 42
1 u = 42 ÷ 6 = 7
Total cost of coats and jackets
= 10 u + 6 u
= 16 u
= 16 x 7
= $112
Answer(s): $112
