document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=121304>Question 121304</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Business and finance:\r<BR>\n" );
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document.write( "The demand equation for a certain type of printer is given by \r<BR>\n" );
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document.write( "D = -200p + 35,000<BR>\n" );
document.write( "the supply equation is predicted to be<BR>\n" );
document.write( "S = -p^2 + 400p - 20,000<BR>\n" );
document.write( "Find the equilibrium price.\r<BR>\n" );
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document.write( "I would really appreciate some help on this, Thank you very much.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #89006 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=89006\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The demand equation for a certain type of printer is given by <BR>\n" );
document.write( "D = -200p + 35,000<BR>\n" );
document.write( "the supply equation is predicted to be<BR>\n" );
document.write( "S = -p^2 + 400p - 20,000<BR>\n" );
document.write( "Find the equilibrium price. <BR>\n" );
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document.write( "Equilibrium occurs when supply equal demand.<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "-200p+35000 = -p^2+400p-20000<BR>\n" );
document.write( "p^2 - 600p +55000 = 0<BR>\n" );
document.write( "p = [600 +- sqrt(600^2-4*55000)]/2<BR>\n" );
document.write( "p = [600 +- sqrt140000]/2<BR>\n" );
document.write( "Positive answer:<BR>\n" );
document.write( "p = (600+374.1657)/2<BR>\n" );
document.write( "p = $487.08<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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