document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=117874>Question 117874</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Business and finance. The demand equation for a certain type of printer is given by D=-200p + 35,000<BR>\n" );
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document.write( "The supply equation is predicted to be s=-p^+400p-20,000<BR>\n" );
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document.write( "Find the equilibrium price.\r<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 #85863 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=85863\">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 D=-200p + 35,000\r<BR>\n" );
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document.write( "The supply equation is predicted to be s=-p^+400p-20,000<BR>\n" );
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document.write( "D = S<BR>\n" );
document.write( "-200p+35000 = -p^2+400p-20000<BR>\n" );
document.write( "p^2-600p+55000 = 0\r<BR>\n" );
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document.write( "p = [600 +- sqrt(600^2-4*55000)]/2\r<BR>\n" );
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document.write( "p = [600 +- 374.1657]/2\r<BR>\n" );
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document.write( "p = 974.1657/2 or x = 225.8343/2\r<BR>\n" );
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document.write( "p = 487.08 or p = 112.92\r<BR>\n" );
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document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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