SOLUTION: a computer with an old processor locks up if more than 4 applications are running simultaneously if the owner has 20 applications stored on his program file, how many different set
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Question 226150: a computer with an old processor locks up if more than 4 applications are running simultaneously if the owner has 20 applications stored on his program file, how many different sets of 4 can he run
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
How many ways can you choose 4 things out of 20 things?
\ =\ \frac{20!}{4!(20-4)!}\ =\ \frac{20\times19\times18\times17}{4\times3\times2})
You can do your own arithmetic.
John
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