document.write( "Question 730608: the length of a rectangular pool is twice its width. if the perimeter of the pool is 81 meters, find its dimensions \n" ); document.write( "
Algebra.Com's Answer #446791 by checkley79(3341)\"\" \"About 
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P=2L+2W
\n" ); document.write( "L=2W
\n" ); document.write( "81=2*2W+2W
\n" ); document.write( "81=4W+2W
\n" ); document.write( "81=6W
\n" ); document.write( "W=81/6
\n" ); document.write( "W=13.5 ANS. FOR THE WIDTH.
\n" ); document.write( "L=2*13.5
\n" ); document.write( "L=27 ANS. FOR THE LENGTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "81=2*27+2*13.5
\n" ); document.write( "81=54+27
\n" ); document.write( "81=81
\n" ); document.write( "
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