February 27, 2017

Homework Help: Algebra

Posted by Sue Jackson on Tuesday, September 4, 2012 at 3:13pm.

In a recent survey of 100 women the following information was gathered. 32 use shampoo A, 39 use shampoo B, 40 use shampoo C, 12 use A and B, 10 use A and C, 10 use B and C, 7 use all three

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