Asked by mysterychicken

45. A group of 15 of your friends wants to go to a concert. Unfortunately, you only have 10 tickets available to give to your friends. How many different groups of friends could you take to the concert?

Need help with this; And I promise it's the last one! (:

Thanks
-MC
Answered by Reiny
That would be 15 choose 10
= C(15,10) = 3003
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