SOLUTION: How many ways can an IRS auditor select 6 of 12 tax returns for an audit?

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Question 358939: How many ways can an IRS auditor select 6 of 12 tax returns for an audit?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
12C6 = 12!/6!(12 - 6)!

12C6 = 479001600/(720)^2


12C6 = 479001600/518400


12C6 = 924


The answer is choice A.