document.write( "Question 584846: The length of the room is 3 times the width and the total area is 75 square meters. What is the length of the living room?
\n" ); document.write( "please help.
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Algebra.Com's Answer #372927 by JBarnum(2146)\"\" \"About 
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l=3w
\n" ); document.write( "a=lw
\n" ); document.write( "a=75
\n" ); document.write( "75=lw
\n" ); document.write( "75=3w*w
\n" ); document.write( "75=3w^2
\n" ); document.write( "25=w^2
\n" ); document.write( "5=w
\n" ); document.write( "l=3(5)
\n" ); document.write( "l=15
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