document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=832172>Question 832172</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cost to produce one compact disc is $1.75 plus a one-time fixed cost of $2500.  The revenue received from selling one compact disc is $12.\r<BR>\n" );
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document.write( "Write a formula that gives the cost C of producing x compact discs.  Be sure to include the fixed cost.\r<BR>\n" );
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document.write( "Write a formula that gives the revenue R from selling x compact discs.\r<BR>\n" );
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document.write( "PROFITABILITY occurs when Revenue is greater than Cost.  Write an inequality representing the point at which PROFITABILITY is achieved.\r<BR>\n" );
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document.write( "Solve the inequality from part ‘c’ to find how many compact discs must be sold to reach PROFITABILITY. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #501877 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=501877\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The cost to produce a disk is:<BR>\n" );
document.write( "2500 + 1.75x = C<BR>\n" );
document.write( "That's the fixed cost + the variable cost.<BR>\n" );
document.write( "How much can you make?<BR>\n" );
document.write( "R = 12x - (2500+1.75x)<BR>\n" );
document.write( "You can also write it as<BR>\n" );
document.write( "R = 12x - c<BR>\n" );
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document.write( "When does cost equal revenue?  Let's find out<BR>\n" );
document.write( "The profit on each disk is $12-1.75 or $10.25<BR>\n" );
document.write( "When does that meet the fixed cost of 2500?<BR>\n" );
document.write( "Divide 2500 / 10.25<BR>\n" );
document.write( "Since you don't sell part of a disk, round up.<BR>\n" );
document.write( "2500/10.25= ~244<BR>\n" );
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