document.write( "Question 511552: the length of a rectangle is twice as long as the width and its perimeter is 54 ft. find the dimensions of the rectangle. can you show me the steps. \n" ); document.write( "
Algebra.Com's Answer #342327 by oberobic(2304) ![]() You can put this solution on YOUR website! L = 2W \n" ); document.write( ". \n" ); document.write( "P = 2(L+W) \n" ); document.write( "P = 54 \n" ); document.write( ". \n" ); document.write( "substitute \n" ); document.write( ". \n" ); document.write( "2(L+W) = 54 \n" ); document.write( "2(2W + W) = 54 \n" ); document.write( "4W +2W = 54 \n" ); document.write( "6W = 54 \n" ); document.write( "W = 9 \n" ); document.write( ". \n" ); document.write( "L = 2W \n" ); document.write( "L = 2(9) = 18 \n" ); document.write( ". \n" ); document.write( "Check the perimeter \n" ); document.write( ". \n" ); document.write( "2(18+9) = 2(27) = 54 \n" ); document.write( "Correct. \n" ); document.write( ". \n" ); document.write( "Answer: Length = 18; Width = 9. \n" ); document.write( ". \n" ); document.write( "Done. \n" ); document.write( " |