Marion, Winnie and Cindy had a sum of money. The amount of money Marion had was ³₅ of the amount of money Winnie had. The ratio of the amount of money Winnie had to the total amount of money Cindy and Winnie had was 2: 5. After Cindy gave $10 to Winnie, she had as much money as Winnie. How much more money did Cindy have than Marion in the end?

Marion	Winnie	Cindy
3x2 = 6 u	5x2 = 10 u
	2x5 = 10 u	3x5 = 15 u
6 u	10 u	15 u

The amount that Winnie had is the repeated identity. Make the amount that Winnie had the same.  LCM of 5 and 2 is 10.

	Marion	Winnie	Cindy
Before	6 u	10 u	15 u
Change	No change	+ 10	- 10
After	6 u	10 u + 10	15 u - 10

The amount that Cindy and Winnie had in the end is the same.

15 u - 10 = 10 u + 10
15 u - 10 u = 10 + 10 
5 u = 20

1 u = 20 ÷ 5 = 4

Amount that Cindy had more than Marion in the end
= 15 u - 10 - 6 u
= 9 u - 10
= 9 x 4 - 10
= 36 - 10
= $26

Answer(s): $26