document.write( "Question 1128377: A rectangular room containing 154 square feet is 3 feet longer than it is wide. How long of a piece of crown molding is needed to trim the perimeter of the ceiling? \n" ); document.write( "
Algebra.Com's Answer #744833 by ikleyn(52787)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "154 = 11*14 is the decomposition of the number 154 into the product of two factors that differ by 3: 14 - 11 = 3.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Therefore, the dimensions of the room are 11 by 14 feet.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Alternatively, you can find these dimensions by solving quadratic equation\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " x*(x+3) = 154.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Having dimensions, you can easily find the perimeter.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Answer. 11 + 14 + 11 + 14 = 50 feet.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |