Question
6 workers take 12 hours to build 7 bookshelves. How many hours will 7 workers take to build 3 bookshelves? Express your answer in mixed number in hours.
3 m

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6 workers take 12 hours to build 7 bookshelves. How many hours will 7 workers take to build 3 bookshelves? Express your answer in mixed number in hours.