Glen had $16 more than Perry. After each of them bought an identical sweater from a shop. Glen was left with 3 times as much money as Perry. Given that Glen had $43 at first, how much did each sweater cost?
| |
Glen |
Perry |
Difference |
| Before |
$43 |
|
$16 |
| Change |
- 1 sweater |
- 1 sweater |
|
| After |
3 u |
1 u |
2 u |
Since Glen and Perry each bought an identical sweater, the difference in amount that they had at first and in the end remains the same.
2 u = 16
1 u = 16 ÷ 2 = 8
Amount that Glen had left
= 3 u
= 3 x 8
= $24
Cost of the sweater
= 43 - 24
= $19
Answer(s): $19
