SOLUTION: Find C(18,1)

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Question 168921: Find C(18,1)
Answer by nerdybill(5411) About Me  (Show Source):
You can put this solution on YOUR website!
You are talking about a "combination".
.
C(n,r) = n!/r!(n-r)!
.
C(18,1) = 18!/1!(18-1)!
C(18,1) = 18!/(17)!
C(18,1) = 18