Question
Asher and Ken, together, can clean a room in 5 hours. If Asher is cleaning the room alone, he can only complete the task in 7 hours. How long will Ken take to clean a room all by himself? Express your answer in mixed number.
3 m

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Asher and Ken, together, can clean a room in 5 hours. If Asher is cleaning the room alone, he can only complete the task in 7 hours. How long will Ken take to clean a room all by himself? Express your answer in mixed number.