Paul had six times as much money as Ken. After Paul had spent $92, Ken had four times as much money as Paul. How much more money than Ken had Paul at first?
| |
Paul |
Ken |
More |
Before
|
6x4 =
24 u |
1x4 =
4 u |
20 u |
| Change |
- $92 |
|
|
| After |
1 u |
4 u |
|
The amount that Ken had remains unchanged. Make the amount that Ken had the same. LCM of 1 and 4 is 4.
Amount that Mark had in the end = 1 u
24 u - 92 = 1 u
24 u - 1 u = 92
23 u = 92
1 u = 92 ÷ 23 = 4
Amount that Ken had more than Paul at first
= 24 u - 4 u
= 20 u
= 20 x 4
= $80
Answer(s): $80
