# SOLUTION: How many committees of four can be selected from a group of seven if the same person must be included in each committee?

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 Question 459586: How many committees of four can be selected from a group of seven if the same person must be included in each committee?Answer by Edwin McCravy(8880)   (Show Source): You can put this solution on YOUR website!How many committees of four can be selected from a group of seven if the same person must be included in each committee? ```Suppose the person who must be in each committee is named Bob. The problem amounts to selecting 3 from the 6 people besides Bob to put in a committee with Bob. So the answer is "6 things choose 3". 6C3 = (6*5*4)/(3*2*1) = 120/6 = 30 Edwin```