document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=47782>Question 47782</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Open-top box. Thomas is going to make an open-top box by cutting equal squares from four corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the area of the base is to be 80 square inches then what size square should be cut from each corner?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #31578 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=31578\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x be the equal width<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "(11-2x)(14-2x)-11*14=80\r<BR>\n" );
document.write( "\n" );
document.write( "(11-2x)(14-2x)=80<BR>\n" );
document.write( "154+4x^2-50x=80<BR>\n" );
document.write( "4x^2-50x-74=0<BR>\n" );
document.write( "x^2-12.5x-18.5=0<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-%28-12.5%29+%2B-+sqrt%28+%2812.5%29%5E2-4%2A1%2A18.5+%29%29%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-%28-12.5%29+%2B-+sqrt%28+%2812.5%29%5E2-4%2A1%2A18.5+%29%29%2F%282%2A1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=1.7 (the lowest value)<BR>\n" );
document.write( "Paul. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );