document.write( "Question 302157: A rug is to fit in a room so that a border of even width is left on all four sides. If the room is 16 feet by 24 feet and the area of the rug is 153 square feet, how wide will the border be? \n" ); document.write( "
Algebra.Com's Answer #216670 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! (16 - 2b) (24 - 2b) = 153\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "384 - 80b + 4b^2 = 153\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4b^2 - 80b + 231 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(2b - 7) (2b - 33) = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2b - 7 = 0 ___ b = 7/2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2b - 33 = 0 ___ b = 33/2 ___ not realistic \n" ); document.write( " |