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Mathematics, 21.12.2021 05:40 bpo2205748

Your school librarian has asked your class for some help on the purchase of some new bookcases with two shelves each. She has
300 new books she needs to shelve. One half of the books are half
an inch thick. One third of them are one fourth of an inch thick,
and the rest are three fourths of an inch thick. Her shelves are
30 inches long. How many bookcases should she buy?

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