SOLUTION: How many 5-letter words containing at least one “a” can be made out of 26 letters?

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Question 727012: How many 5-letter words containing at least one “a” can be made out of 26 letters?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How many 5-letter words containing at least one “a” can be made out of 26 letters?
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# of ways to get no "a": 25^5
# of ways to get a random 5-letter word: 26^5
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# with at least one "a": 26^5 - 25^5 = 2,115,751
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Cheers,
Stan H.
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