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

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