document.write( "Question 467437: The width of a rectangle is fixed at 27cm. What lengths will make the perimeter greater than 78cm? \n" ); document.write( "
Algebra.Com's Answer #320739 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! \"The width of a rectangle is fixed at 27cm. What lengths will make the perimeter greater than 78cm?\"\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Perimeter of a rectangle = 2(width) + 2(length)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "width = 27 {given} \n" ); document.write( "length = x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2(27) + 2(x) > 78 {finding what value of x will make the perimeter greater than 78} \n" ); document.write( "54 + 2x > 78 {multiplied 2 by 27} \n" ); document.write( "2x > 22 {subtracted 54 from both sides} \n" ); document.write( "x > 11\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a length greater than 11 cm will make the perimeter greater than 78 cm \n" ); document.write( " For more help from me, visit: www.algebrahouse.com \n" ); document.write( " |