Mrs Soh bought an equal number of vests and jackets. Each vest cost $21 and each jacket cost $4. Mrs Soh paid $12 for the jackets. What was the total amount of money spent?
| |
Vests |
Jackets |
Total |
| Number |
1 u |
1 u |
2 u |
| Value |
$21 |
$4 |
|
| Total value |
21 u |
4 u |
25 u |
Number of vests = 1 u
Number of jackets = 1 u
Total cost of vests = 1 u x 21 = 21 u
Total cost of jackets = 1 u x 4 = 4 u
4 u = 12
1 u = 12 ÷ 4 = 3
Total cost of vests and jackets
= 21 u + 4 u
= 25 u
= 25 x 3
= $75
Answer(s): $75
