document.write( "Question 59150: The length of a rectangular playing field is 5 ft less than twice its width. If the perimeter of the playing field is 230 ft, find the length and width of the field. \n" ); document.write( "
Algebra.Com's Answer #40567 by checkley71(8403)\"\" \"About 
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230=2W+2(W-5)
\n" ); document.write( "230=2W+2W-10
\n" ); document.write( "230+10=4W
\n" ); document.write( "240=4W
\n" ); document.write( "W=240/4
\n" ); document.write( "W=60
\n" ); document.write( "PROOF
\n" ); document.write( "230=2*60+2(60-5)
\n" ); document.write( "230=120+2*55
\n" ); document.write( "230=120+110
\n" ); document.write( "230=230
\n" ); document.write( "
\n" );