document.write( "Question 1006117: If length of a rectangle is twice the width and it's perimeter is 30. What the width and its length? \n" ); document.write( "
Algebra.Com's Answer #622245 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call the length and width, L and W. Then we have \n" ); document.write( "L = 2W and \n" ); document.write( "Perimeter P = 2L + 2W = 30 \n" ); document.write( "Now substitute and get \n" ); document.write( "2(2W) + 2W = 30 \n" ); document.write( "4W + 2W = 30 \n" ); document.write( "6W = 30 \n" ); document.write( "W = 5 and then \n" ); document.write( "L = 10 \n" ); document.write( " \n" ); document.write( " |