Friday, May 17, 2013

How many different committees of 3 people can be chosen to work on a special project from a group of 7 people?

this is a counting problem called a choose problem: 7 choose 3 (a combination). 

7 choose 3 = 
%0D%0A%287%21%29%2F%28%28%287-3%29%21%29%283%21%29%29=35%0D%0A
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