document.write( "Question 1124071: The area of a rectangular wall is 275 square feet. Its length is 8 feet shorter than three times its width. Find the length of the wall. \n" ); document.write( "

Algebra.Com's Answer #740430 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "Short solution :  275 = 25 *11;   25 = 3*11 - 8\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Long solution.  \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Area = W*L = W*(3W-8) = 275 sq.ft.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "3W^2  - 8W -275 = 0.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Solve this quadratic equation by any way you want / (you know).\r\n" );
document.write( "

\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );