Masonry To determine the approximate number of concrete blocks needed to construct a wall, the following formula is often used:
where N is a number that depends on the size of the block. How many 8-in. by 8-in. by 16-in. concrete blocks are needed to construct a foundation wall 8 in. thick with a total length of 120 ft if it is laid five courses high? Use
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EBK MATHEMATICS FOR THE TRADES
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