document.write( "Question 212505: george built a rectangular pen for his rabbit such that the length in 7 ft. less than twice the width. If the perimeter is 40 ft., what are the dimensions of the pen \n" ); document.write( "
Algebra.Com's Answer #160471 by checkley77(12844)\"\" \"About 
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L=2W-7
\n" ); document.write( "2L+2W=40
\n" ); document.write( "2(2W-7)+2W=40
\n" ); document.write( "4W-14+2W=40
\n" ); document.write( "6W=40+14
\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*9-7
\n" ); document.write( "L=18-7
\n" ); document.write( "L=11 ANS. FOR THE LENGTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*11+2*9=40
\n" ); document.write( "22+18=40
\n" ); document.write( "40=40
\n" ); document.write( "
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