document.write( "Question 295978: PROBLEM: The length of a rectangle is two feet more than twice the width. The area is 144 ft2 (squared). Find the length and width of the rectangle. \r
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document.write( "If possible, could you show me how you got it? If not, no worries....\r
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document.write( "Thanks! \n" );
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Algebra.Com's Answer #213399 by checkley77(12844) ![]() You can put this solution on YOUR website! L=2W+2 \n" ); document.write( "AREA=LW \n" ); document.write( "144=(2W+2)W \n" ); document.write( "144=2W^2+2W \n" ); document.write( "2W^2+2W-144=0 \n" ); document.write( "2(W^2+W-72)=0 \n" ); document.write( "2(W-8)(W+9)=0 \n" ); document.write( "W-8=0 \n" ); document.write( "W=8 ANS. FOR THE WIDTH \n" ); document.write( "L=2*8+2=16+2=18 ANS. FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "144=8*18 \n" ); document.write( "144=144\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |