document.write( "Question 1117138: A rectangle is 2 times as long as it is wide, and its perimeter is 54 centimeters. Find its dimensions.\r
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document.write( "Width _______cm
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document.write( "Length_______cm \n" );
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Algebra.Com's Answer #732115 by addingup(3677)![]() ![]() You can put this solution on YOUR website! L = 2W \n" ); document.write( "2L + 2W = 54 \n" ); document.write( "2(2W) + 2W = 54 \n" ); document.write( "4W + 2W = 54 \n" ); document.write( "6W = 54 \n" ); document.write( "W = 9 this is the width. Since L = 2W: \n" ); document.write( "L = 2(9) = 18 this is your length \n" ); document.write( " \n" ); document.write( " |