document.write( "Question 271726: Suppose that te wideth of a rectangle is three feet shorter than length and that the perimeter of the rectangle is 84 feet.\r
\n" ); document.write( "\n" ); document.write( "P= 2L + 2W\r
\n" ); document.write( "\n" ); document.write( "a) Set up an equation for the perimeter incolving only L, the length of the rectangle.\r
\n" ); document.write( "\n" ); document.write( "84=2(3-x) + 2(x)? Is this right?\r
\n" ); document.write( "\n" ); document.write( "b) Solove this euation algebraicall to find the length of the rectangle, Find the width as well
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #198887 by jfulle70(1)\"\" \"About 
You can put this solution on YOUR website!
84=2L+2(L-3)
\n" ); document.write( "84=2L+2l-6
\n" ); document.write( "84=4L-6
\n" ); document.write( "90=4L
\n" ); document.write( "L=22.5
\n" ); document.write( "w=2(22.5-3)
\n" ); document.write( "w=39
\n" ); document.write( "
\n" );