document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1161744>Question 1161744</A>: <I><SPAN STYLE=\"word-break: break-all;\"> plese helpe me <BR>\n" );
document.write( "thank s\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Sub Mart Inc. needs to decide the optimal price to charge and the optimal quantity to supply in the market. The demand function of the product is given as QD=40-2P, while the supply function of the product is given as QS=2P where P is the price, QD is quantity demanded, and QS is quantity supplied. Solve the following demand function is given as: QD=40-2P. Calculate the equilibrium price and quantity.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #785353 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=785353\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "First of all, you need to know what the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=equilibrium ALIGN=MIDDLE  ALT=\"equilibrium\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+price ALIGN=MIDDLE  ALT=\"+price\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=equilibrium+ ALIGN=MIDDLE  ALT=\"equilibrium+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=quantity ALIGN=MIDDLE  ALT=\"quantity\"   DISABLED_style= \"max-width:90%; height:auto;\" > are. \r<BR>\n" );
document.write( "\n" );
document.write( "The <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=equilibrium+ ALIGN=MIDDLE  ALT=\"equilibrium+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=price ALIGN=MIDDLE  ALT=\"price\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the price at which the quantity demanded equals the quantity supplied. \r<BR>\n" );
document.write( "\n" );
document.write( "The <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=equilibrium ALIGN=MIDDLE  ALT=\"equilibrium\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+quantity ALIGN=MIDDLE  ALT=\"+quantity\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the quantity bought and sold at the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=equilibrium ALIGN=MIDDLE  ALT=\"equilibrium\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+price ALIGN=MIDDLE  ALT=\"+price\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( " <BR>\n" );
document.write( "Now looking at this problem, you are given:\r<BR>\n" );
document.write( "\n" );
document.write( "the demand function <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=QD=40+-+2P+ ALIGN=MIDDLE  ALT=\"QD=40+-+2P+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and <BR>\n" );
document.write( "the supply function <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=QS=2P ALIGN=MIDDLE  ALT=\"QS=2P\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( "In order to find the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=equilibrium ALIGN=MIDDLE  ALT=\"equilibrium\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+price ALIGN=MIDDLE  ALT=\"+price\"   DISABLED_style= \"max-width:90%; height:auto;\" > (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Be%5D ALIGN=MIDDLE  ALT=\"P%5Be%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > ), we need: \r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=quantity_+demanded+=+quantity+_supplied ALIGN=MIDDLE  ALT=\"quantity_+demanded+=+quantity+_supplied\"   DISABLED_style= \"max-width:90%; height:auto;\" >, namely\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=QD=QS+ ALIGN=MIDDLE  ALT=\"QD=QS+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "so we have the following :\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+40+-+2P+=+2P ALIGN=MIDDLE  ALT=\"+40+-+2P+=+2P\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and solve for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P ALIGN=MIDDLE  ALT=\"P\"   DISABLED_style= \"max-width:90%; height:auto;\" >, \r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40+=+2P%2B2P+ ALIGN=MIDDLE  ALT=\"40+=+2P%2B2P+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40+=+4P+ ALIGN=MIDDLE  ALT=\"40+=+4P+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=10 ALIGN=MIDDLE  ALT=\"P=10\"   DISABLED_style= \"max-width:90%; height:auto;\" >->the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=equilibrium ALIGN=MIDDLE  ALT=\"equilibrium\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+price ALIGN=MIDDLE  ALT=\"+price\"   DISABLED_style= \"max-width:90%; height:auto;\" > (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Be%5D ALIGN=MIDDLE  ALT=\"P%5Be%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > )\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "so, we get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Be%5D+=+10 ALIGN=MIDDLE  ALT=\"P%5Be%5D+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" > (units), then we plug <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Be%5D ALIGN=MIDDLE  ALT=\"P%5Be%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > into either <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=QD+ ALIGN=MIDDLE  ALT=\"QD+\"   DISABLED_style= \"max-width:90%; height:auto;\" >or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=QS ALIGN=MIDDLE  ALT=\"QS\"   DISABLED_style= \"max-width:90%; height:auto;\" > to find the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=equilibrium ALIGN=MIDDLE  ALT=\"equilibrium\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+quantity ALIGN=MIDDLE  ALT=\"+quantity\"   DISABLED_style= \"max-width:90%; height:auto;\" > (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q%5Be%5D ALIGN=MIDDLE  ALT=\"Q%5Be%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >) :<BR>\n" );
document.write( " <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q%5Be%5D=40+-+2%2A10=20 ALIGN=MIDDLE  ALT=\"Q%5Be%5D=40+-+2%2A10=20\"   DISABLED_style= \"max-width:90%; height:auto;\" > (units)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );