Uploaded June 2021 | Updated September 2026, 1 hour ago

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Suppose you have 8 red mugs, 4 green mugs, and 5 blue mugs. In how many ways can you order them such that no two green mugs are next to each other?

Harder Problem: Suppose you have n red mugs, m green mugs, and k blue mugs. In how many ways can you order them such that no two green mugs are next to each other?

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