document.write( "Question 1056445: A dog trainer has 92 ft of fencing that will be used to create a rectangular work area for dogs. If the trainer wants to enclose an area of 408 ft2, what will be the dimensions of the work area? \n" ); document.write( "

Algebra.Com's Answer #671594 by ikleyn(52803) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "A dog trainer has 92 ft of fencing that will be used to create a rectangular work area for dogs.
\n" ); document.write( "If the trainer wants to enclose an area of 408 ft2, what will be the dimensions of the work area?
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "L + W =   ====>  L + w = 46.\r\n" );
document.write( "\r\n" );
document.write( "L = 46-W,\r\n" );
document.write( "\r\n" );
document.write( "W*L = 408  --->  W*(46-W) = 408,\r\n" );
document.write( "\r\n" );
document.write( "W^2 -46W + 408 = 0,\r\n" );
document.write( "\r\n" );
document.write( " =  =  = .\r\n" );
document.write( "\r\n" );
document.write( "The only positive root is 34.\r\n" );
document.write( "\r\n" );
document.write( "Answer. The dimensions are 34 ft and 46-34 = 12 ft.\r\n" );
document.write( "        The length is 34 ft, the width is 12 ft.\r\n" );
document.write( "

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

\n" );