document.write( "Question 25445: The length of a rectangular playing field is 5 ft less than twice its width.
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document.write( "If the perimeter of the playing field is 230 ft, find the length and width of the field.\r
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Algebra.Com's Answer #14300 by uknouluvme89(30)![]() ![]() ![]() You can put this solution on YOUR website! Let x = the width \n" ); document.write( "Let 2x-5 = length\r \n" ); document.write( "\n" ); document.write( "P= 2l + 2w \n" ); document.write( "230 = 2(2x-5) + 2x \n" ); document.write( "230 = 4x-10+2x \n" ); document.write( "230 = 6x-10 \n" ); document.write( "add 10 to both sides of the equation \n" ); document.write( "240 = 6x \n" ); document.write( "divide both sides by 6 \n" ); document.write( "40 = x\r \n" ); document.write( "\n" ); document.write( "Width = x = 40ft \n" ); document.write( "Length = 2x-5 = 2(40)-5 = 75 ft\r \n" ); document.write( "\n" ); document.write( "Hope that helped! \n" ); document.write( " |