Question
George and Charlie, together, can clean a storeroom in 3 hours. If George is cleaning the storeroom alone, he can only complete the task in 9 hours. How long will Charlie take to clean a storeroom all by himself? Express your answer in mixed number.
3 m

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George and Charlie, together, can clean a storeroom in 3 hours. If George is cleaning the storeroom alone, he can only complete the task in 9 hours. How long will Charlie take to clean a storeroom all by himself? Express your answer in mixed number.