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Finding member of one commitee

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Finding member of one commitee

by jawad » Sat Dec 27, 2008 3:16 pm
In Committe A there are 8 people and in committe B , there are 7 people. There are 3 people who are in both of committees. Find the number of people who are only working in one of the groups.

9
12
14
15
Jawad Shah
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Re: Finding member of one commitee

by parallel_chase » Sat Dec 27, 2008 3:34 pm
jawad wrote:In Committe A there are 8 people and in committe B , there are 7 people. There are 3 people who are in both of committees. Find the number of people who are only working in one of the groups.

9
12
14
15
Only A + only B

Only A = A - both = 8-3 = 5
Only B = B - Both = 7-3 = 4

5+4 = 9

Hope this helps.
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