document.write( "Question 161456: it takes 5 lbs of cement to cover 10 square feet. how many lbs of cement will be needed to cover a rectangular area 25ft by 10 ft? \n" ); document.write( "
Algebra.Com's Answer #118910 by checkley77(12844)\"\" \"About 
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5/10=X/(25*10)
\n" ); document.write( "10X=5(250)
\n" ); document.write( "10X=1,250
\n" ); document.write( "X=1250/10
\n" ); document.write( "X=125 LBS. OF CEMENT WILL BE NEEDED.
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