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

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