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Sam wants to make concrete blocks that are 24 inches by 24 inches by 4 inches thick. How man blocks can he make from 1 cubic yard of concrete

  • math -

    assuming the concrete is in liquid form and poured into moulds

    each block is 24x24x4 or 2304 cubic inches

    number of cubic inches in one cubic yard
    = 36x36x36 = 46656

    number of blocks = 46656/2304 = 20.25

    He can make 20 blocks, (not enough for 21)

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