document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1200455>Question 1200455</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A manufacturer produces books at a daily cost of $0.85 per book<BR>\n" );
document.write( "and sells them for $1.10 per book. The daily operational overhead is<BR>\n" );
document.write( "$400. Determine the break-even point. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #834589 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=834589\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> profit = revenue minus expense.<BR>\n" );
document.write( "profit = 1.10 * x - .85 * x - 400<BR>\n" );
document.write( "the break even point is when profit = 0.<BR>\n" );
document.write( "equation becomes 0 = 1.10 * x - .85 * x - 400<BR>\n" );
document.write( "simplify to get 0 = .25 * x - 400<BR>\n" );
document.write( "solve for x to get x = 400 / .25 = 1600<BR>\n" );
document.write( "break even is when 1600 books are sold in a day.<BR>\n" );
document.write( "you get:<BR>\n" );
document.write( "profit = 1.10 * 1600 - .85 * 1600 - 400 = 0<BR>\n" );
document.write( "they need to sell 1600 books a day to break even.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );