document.write( "Question 36664: one side of the rectangle is 3 inches shorter than the other side and the perimeter is 54 inches.What are the dimensions of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #22548 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! The sides are x and x - 3 \n" ); document.write( "P = 2x + 2(x - 3) \n" ); document.write( "P = 54 \n" ); document.write( "54 = 2x + 2(x - 3) \n" ); document.write( "54 = 2x + 2x - 6 \n" ); document.write( "4x = 54 + 6 \n" ); document.write( "4x = 60 \n" ); document.write( "x = 15 \n" ); document.write( "The sides are 15 and 12 \n" ); document.write( "check: \n" ); document.write( "P = 2*15 + 2(15 - 3) \n" ); document.write( "P = 30 + 2 * 12 \n" ); document.write( "P = 30 + 24 \n" ); document.write( "P = 54 \n" ); document.write( "OK \n" ); document.write( " |