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Mathematics, 04.12.2019 11:31 juliopejfuhrf7541

The manager of a bookstore ordered 480 copies of a book. the manager paid a total of $7,440 for the books. the books arrived at the store in 5 cartons. each carton contained the same number of books. a worker unpacked books at a rate of 48 books every 2 minutes. the manager unpacked books at a rate of 54 books every 3 minutes. how many minutes did the worker need to unpack 240 books?

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