Warren had four times as much money as Valen. After Warren had spent $70, Valen had nine times as much money as Warren. How much more money than Valen had Warren at first?
| |
Warren |
Valen |
More |
Before
|
4x9 =
36 u |
1x9 =
9 u |
27 u |
| Change |
- $70 |
|
|
| After |
1 u |
9 u |
|
The amount that Valen had remains unchanged. Make the amount that Valen had the same. LCM of 1 and 9 is 9.
Amount that Mark had in the end = 1 u
36 u - 70 = 1 u
36 u - 1 u = 70
35 u = 70
1 u = 70 ÷ 35 = 2
Amount that Valen had more than Warren at first
= 36 u - 9 u
= 27 u
= 27 x 2
= $54
Answer(s): $54
