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 By: smnleong (offline)  Sunday, September 26 2010 @ 06:26 AM CDT (Read 1602 times)
smnleong

Could anyone help with this problem :

The ratio of the number of Faye's balls to the number of Ian's balls was 1:5. Then their father gave Ian 12 more balls and Faye 5 more balls. The ratio of the numbr of Faye's balls to the number of Ian's balls become 1:4. How many more balls did Ian have than Faye in the end?

I cannot figure out the working method, I believe that it is based on model, but cannot understand the model. Thanks!

Newbie

Registered: 08/02/10
Posts: 1

 By: tanhuimin (offline)  Tuesday, September 28 2010 @ 03:41 AM CDT
tanhuimin

Pls refer to attached model and solution.
Thanks

Junior

Registered: 12/31/06
Posts: 18

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