document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1082594>Question 1082594</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please show me the steps on how to do this problem I forgot how to do it.\r<BR>\n" );
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document.write( "A business needs to decide whether to rent or buy a copy machine. The rental is $200 plus 8 cents per copy. To buy the machine costs $1,200 but the supplies only cost 4 cents per copy. Which set of linear equations can be used to determine the number of copies needed to make the costs equal?\r<BR>\n" );
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document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #696653 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=696653\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The difficult part here is that the rental cost is an ongoing cost that must be captured over time. So it's $200 every month or week or some time period.<BR>\n" );
document.write( "Once you buy the machine, you don't get charged for it every time period.<BR>\n" );
document.write( "I'll just work the problem assuming that you only pay a one time rental price.<BR>\n" );
document.write( "Machine A: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%5BA%5D=200%2B0.08N ALIGN=MIDDLE  ALT=\"C%5BA%5D=200%2B0.08N\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Machine B: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%5BB%5D=1200%2B0.04N ALIGN=MIDDLE  ALT=\"C%5BB%5D=1200%2B0.04N\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Set them equal to each other.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200%2B0.08N=1200%2B0.04N ALIGN=MIDDLE  ALT=\"200%2B0.08N=1200%2B0.04N\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.04N=1000 ALIGN=MIDDLE  ALT=\"0.04N=1000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N=1000%2F0.04 ALIGN=MIDDLE  ALT=\"N=1000%2F0.04\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve that to get the number of copies.<BR>\n" );
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