Mrs Goh bought an equal number of sweaters and coats. Each sweater cost $24 and each coat cost $4. Mrs Goh paid $20 for the coats. What was the total amount of money spent?
| |
Sweaters |
Coats |
Total |
| Number |
1 u |
1 u |
2 u |
| Value |
$24 |
$4 |
|
| Total value |
24 u |
4 u |
28 u |
Number of sweaters = 1 u
Number of coats = 1 u
Total cost of sweaters = 1 u x 24 = 24 u
Total cost of coats = 1 u x 4 = 4 u
4 u = 20
1 u = 20 ÷ 4 = 5
Total cost of sweaters and coats
= 24 u + 4 u
= 28 u
= 28 x 5
= $140
Answer(s): $140
