SOLUTION: There are 3 people who are chosen to serve on a committee out of a group of 3 girls and 4 boys. How many different committees can be formed?

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Question 393118: There are 3 people who are chosen to serve on a committee out of a group of 3 girls and 4 boys. How many different committees can be formed?
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

Nummber of ways of choosing 3 from group of 7

 nCx = n%21%2F%28x%21%28n-x%21%29%29

 7C3 = 7!/3!4! = 7*6*5/2*3 = 35 ways