Cole had $18 more than Mark. After each of them bought an identical sweater from a shop. Cole was left with 4 times as much money as Mark. Given that Cole had $72 at first, how much did each sweater cost?
| |
Cole |
Mark |
Difference |
| Before |
$72 |
|
$18 |
| Change |
- 1 sweater |
- 1 sweater |
|
| After |
4 u |
1 u |
3 u |
Since Cole and Mark each bought an identical sweater, the difference in amount that they had at first and in the end remains the same.
3 u = 18
1 u = 18 ÷ 3 = 6
Amount that Cole had left
= 4 u
= 4 x 6
= $24
Cost of the sweater
= 72 - 24
= $48
Answer(s): $48
