SOLUTION: n!/(n-1)!=5

Question 897931: n!/(n-1)!=5
Found 2 solutions by jim_thompson5910, stanbon:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
By definition

n! = n*(n-1)*(n-2)*(n-3)...(3)*(2)*(1)

We can rewrite "(n-1)*(n-2)*(n-3)...(3)*(2)*(1)" as simply "(n-1)!"

So, n! = n*(n-1)!

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n!/(n-1)!=5

[n*(n-1)!]/(n-1)!=5

n = 5
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
n!/(n-1)!=5
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[n(n-1)!/(n-1)!] = 5
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n = 5
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Cheers,
Stan H.
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