document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=997342>Question 997342</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Among all rectangles that have a perimeter of 170, find the dimensions of the one whose area is largest.  Write your answers as fractions reduced to lowest terms. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #615466 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=615466\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> L*W=170<BR>\n" );
document.write( "2L+2W=170<BR>\n" );
document.write( "L+W=85<BR>\n" );
document.write( "L=(85-W)<BR>\n" );
document.write( "(85-W)*W is a maximum<BR>\n" );
document.write( "-W^2+85W=0<BR>\n" );
document.write( "The vertex x value is -b/2a<BR>\n" );
document.write( "=85/2 with minus signs gone<BR>\n" );
document.write( "42.5 or (85/2) units for both L and W<BR>\n" );
document.write( "It is a square.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-100%2C100%2C-100%2C2200%2C-x%5E2%2B85x%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-100%2C100%2C-100%2C2200%2C-x%5E2%2B85x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );