document.write( "Question 896772: The length of a rectangle is three times its width.
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document.write( "If the perimeter of the rectangle is
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document.write( "80yd
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document.write( " , find its area. \n" );
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Algebra.Com's Answer #543809 by JulietG(1812) You can put this solution on YOUR website! P = 80 (given) \n" ); document.write( "L = 3W (given) \n" ); document.write( "P = 2L + 2W \n" ); document.write( "80 = 2L + 2W \n" ); document.write( "80 = 2(3W) + 2W \n" ); document.write( "80 = 6W + 2W \n" ); document.write( "80 = 8W \n" ); document.write( "10 = W \n" ); document.write( "If the width is 10, then the length is 3x that, or 30. \n" ); document.write( " |