David had $111 more than Seth. Every day, David would spend 2 times as much money as Seth. After 6 days, David and Seth were left with equal amount of money. How much did David spend every day?
| |
David |
Seth |
More |
| Before |
1 p + 2 u |
1 p + 1 u |
$111 |
| Change |
- 2 u |
- 1 u |
|
| After |
1 p |
1 p |
|
Amount that David spent more than Seth
= 2 u - 1 u
= 1 u
1 u = 111
Amount that David spent in 6 days
= 2 u
= 2 x 111
= $222
Amount that David spent every day
= 222 ÷ 6
= $37
Answer(s): $37
