SOLUTION: How many ways can you choose seven people from a group of twenty?

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Question 1185709: How many ways can you choose seven people from a group of twenty?
Answer by math_helper(2461) About Me  (Show Source):
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C(20,7) = 20!/((20-7)!*7!) = 20!/(13!*7!)



= (20*19*18*17*16*15*14)/(7*6*5*4*3*2*1)



= 77520