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August 22, 2014

Homework Help: math

Posted by jane on Saturday, December 1, 2012 at 10:52pm.

The ratio of the number of girls to the number of boys in a stamp club was 3 : 2 last year. When 15 boys joined the club this year, the ratio became 2 : 3. Find the total number of children in the club this year.

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