document.write( "Question 224144: The length of a rectangle is twice its breadth. If its perimeter is 54 cm, find its length \n" ); document.write( "
Algebra.Com's Answer #167478 by checkley77(12844)\"\" \"About 
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P=2L+2W
\n" ); document.write( "L=2W
\n" ); document.write( "54=2*2W+2W
\n" ); document.write( "54=4W+2W
\n" ); document.write( "6W=54
\n" ); document.write( "W=54/6
\n" ); document.write( "W=9 ANS. FOR THE WIDTH.
\n" ); document.write( "L=2*9=18
\n" ); document.write( "54=2*9+2*18
\n" ); document.write( "54=18+36
\n" ); document.write( "54=54
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