SOLUTION: Allie and Betty want to know how many 3-letter combinations such as BMW or DDT(letters can repeat). Allie thinks that there can be 26+26+26 combos. WHereas Betty thinks there is 26

Question 1093288: Allie and Betty want to know how many 3-letter combinations such as BMW or DDT(letters can repeat). Allie thinks that there can be 26+26+26 combos. WHereas Betty thinks there is 26x26x26 combos .Who is right and why?

I think that betty is right because there are 26 combos i just cant find a way to explain it
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Allie and Betty want to know how many 3-letter combinations such as BMW or DDT(letters can repeat).
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It's 26^3 = 17576.
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