Mark had $140 more than Cody. Every day, Mark would spend 2 times as much money as Cody. After 7 days, Mark and Cody were left with equal amount of money. How much did Mark spend every day?
| |
Mark |
Cody |
More |
| Before |
1 p + 2 u |
1 p + 1 u |
$140 |
| Change |
- 2 u |
- 1 u |
|
| After |
1 p |
1 p |
|
Amount that Mark spent more than Cody
= 2 u - 1 u
= 1 u
1 u = 140
Amount that Mark spent in 7 days
= 2 u
= 2 x 140
= $280
Amount that Mark spent every day
= 280 ÷ 7
= $40
Answer(s): $40
