document.write( "Question 550052: If Length of a rectangle is increased by 20% and width is decreased by 20% , then area will be ? \n" ); document.write( "
Algebra.Com's Answer #358404 by MathTherapy(10552)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( "If Length of a rectangle is increased by 20% and width is decreased by 20% , then area will be ?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let length = L, and width = W \n" ); document.write( "Then, original area = LW\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Increasing length by 20% makes the new length 1.2L \n" ); document.write( "Decreasing width by 20% makes the new width .8W \n" ); document.write( "New area = 1.2L(.8W), or .96LW\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This means that the area would DECREASE by 4% (LW - .96LW) \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com \n" ); document.write( " |