document.write( "Question 1008904: The site is rectangular with a permiter of 84m. Its length is 8m more than 4 times its width.\r
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document.write( "Work out the length and width of the rectangle you must present your answere with the corrct decimal place. \n" );
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Algebra.Com's Answer #624451 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Perimeter P = 2L + 2W = 84. We also have \n" ); document.write( "L = 4W + 8 \n" ); document.write( "Now substitute that into the first equation and get \n" ); document.write( "2(4W + 8) + 2W = 84 \n" ); document.write( "8W + 16 + 2W = 84 \n" ); document.write( "10W + 16 = 84 \n" ); document.write( "10W = 68 \n" ); document.write( "W = 6.8 m \n" ); document.write( "L = 4(6.8) + 8 = 35.2 m \n" ); document.write( " |