document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=87293>Question 87293</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help! I am having a hard time figuring out this question: \r<BR>\n" );
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document.write( "The demand equation for a certain type of printer is given by D = -200p +35,000. The supply equation is predicted to be S = -p^2 +400p - 20,000. What is the equilibrium price? \r<BR>\n" );
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document.write( "Thank you!!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #63232 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=63232\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Equilibrium is attained when supply equals demand.  Therefore<BR>\n" );
document.write( " D = -200p +35,000<BR>\n" );
document.write( " S = -p^2 +400p - 20,000\r<BR>\n" );
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document.write( " -200p +35,000 = -p^2 +400p - 20,000\r<BR>\n" );
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document.write( "Set the quadratic equation equal to zero, and hope it factors!  If it does not, then you will have to use the quadratic formula or completing the square (or a graphing calculator!) to get the answer.\r<BR>\n" );
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document.write( "p^2 -600p+ 55000 = 0\r<BR>\n" );
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document.write( "This does NOT factor, so the quadratic formula, completing the square, or graphing calculator will be needed.  The answers I got with calculator (rounded to nearest whole number) are p=113 or p=487.\r<BR>\n" );
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document.write( "Life doesn't always come out even.  Nevertheless, the answers in math so often are \"rigged\" to work out that I am suspicious when they do NOT come out even.  So, check my work, and see if I am correct!!  Let me know if you need help solving the quadratic equation.\r<BR>\n" );
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document.write( "R^2 at SCC </SPAN>\n" );
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