document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=78365>Question 78365</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help I do not know where to start or finish.<BR>\n" );
document.write( "Business and Finance. 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" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #56241 by </B><A HREF=/tutors/aboutme.mpl?userid=dolly><B>dolly(163)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dolly><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=56241\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The equilibrium is achieved when the demand = supply<BR>\n" );
document.write( "==> -200p + 35,000 = -p^2 + 400p – 20,000\r<BR>\n" );
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document.write( "Adding p^2 - 400p + 20000 to both sides we get,\r<BR>\n" );
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document.write( "==> p^2 - 400p + 20000 - 200p + 35000 = 0\r<BR>\n" );
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document.write( "==> p^2 - 600p + 55000 = 0\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p+=%28600%2B-sqrt%28600%5E2-4%2A1%2A55000%29%29%2F%282%2A1%29 ALIGN=MIDDLE  ALT=\"p+=%28600%2B-sqrt%28600%5E2-4%2A1%2A55000%29%29%2F%282%2A1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "applying the quadratic formula.\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p+=%28600%2B-sqrt%28140000%29%29%2F%282%29 ALIGN=MIDDLE  ALT=\"p+=%28600%2B-sqrt%28140000%29%29%2F%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p=%28600%2B-374.2%29%2F%282%29 ALIGN=MIDDLE  ALT=\"p=%28600%2B-374.2%29%2F%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> p = 112.9 or 487.1\r<BR>\n" );
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document.write( "Thus the equilibrium price is 112.9 or 487.1 </SPAN>\n" );
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