SOLUTION: In how many ways can you unfriend 5 of your 60 virtual friends?
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Question 1104121: In how many ways can you unfriend 5 of your 60 virtual friends?
Found 2 solutions by Boreal, josmiceli:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
It is 60C5=60!/55!*5!
=5,461,512
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Order doesn't matter, so
nCr =
-----------------
60C5 =
60C5 =
60C5 =
60C5 =
5,461,512 different ways
-------------------------
check the math -get a 2nd opinion if needed
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