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

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