SOLUTION: A computer with an old processor locks up if more than 4 applications are running simutaniously. If the owner has 20 applications stored in his program file, how many different set

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Question 372166: A computer with an old processor locks up if more than 4 applications are running simutaniously. If the owner has 20 applications stored in his program file, how many different sets of 4 can he run, so that his computer does not lock up?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


How many ways can you select 4 things out of 20 things where order doesn't matter?



The arithmetic is all yours.

John

My calculator said it, I believe it, that settles it
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