document.write( "Question 272096: The length of a rectangle is 6 feet more than three times the width. The perimeter is 36 feet. Find the length & width.
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Algebra.Com's Answer #199085 by checkley77(12844)\"\" \"About 
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L=3W+6
\n" ); document.write( "2L+2W=36
\n" ); document.write( "2(3W+6)+2W=36
\n" ); document.write( "6W+12+2W=36
\n" ); document.write( "8W=36-12
\n" ); document.write( "8W=24
\n" ); document.write( "W=24/8
\n" ); document.write( "W=3 FT. FOR THE WIDTH
\n" ); document.write( "L=3*3+6
\n" ); document.write( "L=9+6=30 ANS. FOR THE LENGTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*15+2*3=36
\n" ); document.write( "30+6=36
\n" ); document.write( "36=36
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