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March 27, 2015

March 27, 2015

Posted by **ifi** on Monday, December 24, 2012 at 9:54pm.

Can someone show me the calculation. The ans is 3.

- math -
**Mac**, Monday, December 24, 2012 at 10:31pmVenn diagram problem

P only=33-18-x

B only =26-17-x

C only =25-19-x

15-x+9-x+6-x+8+10+9+x=63

-2x=63

X=-3

Which means you have to work with 3 in the middle

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