February 20, 2017

Homework Help: set (math)

Posted by HELP HELP HELP MNHS on Wednesday, January 23, 2013 at 7:25am.

A class of 47 students took examination in algebra and geometry. If 29 passed algebra and 26 passed geometry and 4 failed in both subjects, how many passed both subjects?

With solution please, tnx...

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