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

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