Question
Peter and Carl, together, can clean a living room in 5 hours. If Peter is cleaning the living room alone, he can only complete the task in 8 hours. How long will Carl take to clean a living room all by himself? Express your answer in mixed number.
3 m

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Peter and Carl, together, can clean a living room in 5 hours. If Peter is cleaning the living room alone, he can only complete the task in 8 hours. How long will Carl take to clean a living room all by himself? Express your answer in mixed number.