document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1134434>Question 1134434</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average profit earned from the sales of x purses is given by A ( x ) = 36 - 8400/ x . How many purses must be sold so that the profit earned per purse ( average profit ) is $ 20.00 ?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #751825 by </B><A HREF=/tutors/aboutme.mpl?userid=mathsolverplus><B>mathsolverplus(88)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mathsolverplus><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=mathsolverplus><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=751825\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given function of average profit to be A(x) = 36-8400/x\r<BR>\n" );
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document.write( "x represents the number of purses:<BR>\n" );
document.write( "The question asks us to solve for x when the average profit is given to be $20.\r<BR>\n" );
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document.write( "Substitute A(x) = 20:\r<BR>\n" );
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document.write( "20 = 36-8400/x<BR>\n" );
document.write( "20-36 = -8400/x<BR>\n" );
document.write( "-16 = -8400/x<BR>\n" );
document.write( "x = -8400/-16<BR>\n" );
document.write( "x = 525\r<BR>\n" );
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document.write( "Solution: 525 purses must be sold so that the average profit = $20\r<BR>\n" );
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