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December 20, 2014

December 20, 2014

Posted by **Ms Jackie** on Wednesday, December 5, 2012 at 9:56pm.

42 use shampoo A.

38 use shampoo B.

34 use shampoo C.

7 use shampoos A and B.

9 use shampoos A and C.

11 use shampoos B and C.

5 use all three.

How many are using shampoos A and C, but not B?

_____women

- Math -
**Jennifer**, Friday, December 7, 2012 at 4:42pm9 use shampoos A and C. This set of 9 also includes people who would use B.

5 people use all three

9 - 5 = 4

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