February 20, 2017

Homework Help: math

Posted by Anonymous on Monday, August 13, 2012 at 5:53pm.

In a recent survey of 100 women, the following information was gathered.
31 use shampoo A.
27 use shampoo B.
36 use shampoo C.
8 use shampoos A and B.
3 use shampoos A and C.
5 use shampoos B and C.
1 use all three.
Use the figure to answer the question in the problem.

How many are using shampoos A and C, but not B (Region IV)?
1 . women

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