Question
Ken and Sam, together, can clean a bedroom in 3 hours. If Ken is cleaning the bedroom alone, he can only complete the task in 10 hours. How long will Sam take to clean a bedroom all by himself? Express your answer in mixed number.
3 m

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Ken and Sam, together, can clean a bedroom in 3 hours. If Ken is cleaning the bedroom alone, he can only complete the task in 10 hours. How long will Sam take to clean a bedroom all by himself? Express your answer in mixed number.