document.write( "Question 318419: A rectangle-shaped danced floor has a perimeter of 200 feet. If the floor would be 20 feet wider, its width would equal its length. Find the length and the width of the dance floor
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #227945 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
For a rectangle,
\n" ); document.write( " $\"P=2L%2B2W=200\"$
\n" ); document.write( " $\"L%2BW=100\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( " $\"L=W%2B20\"$
\n" ); document.write( "Substitute into the perimeter equation,
\n" ); document.write( " $\"W%2B20%2BW=100\"$
\n" ); document.write( " $\"2W=80\"$
\n" ); document.write( " $\"highlight%28W=40%29\"$
\n" ); document.write( " $\"L=40%2B20\"$
\n" ); document.write( " $\"highlight%28L=60%29\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );