document.write( "Question 108330: D-16, Construction: Concrete weighs 150 lb/cu ft. What is the weight of a concrete wall 18 ft. long, 4 ft 6 in high, and 8 in. thick? \n" ); document.write( "
Algebra.Com's Answer #78969 by stanbon(75887)\"\" \"About 
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Concrete weighs 150 lb/cu ft. What is the weight of a concrete wall 18 ft. long, 4 ft 6 in high, and 8 in. thick?
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\n" ); document.write( "Cost = $150*(18 ft)(9/2 ft)(2/3 ft)/(27 cu ft) = $300.00
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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