document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1165918>Question 1165918</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A company has a choice between two copiers, A and B. A costs $120 a month plus $0.05 per page; B costs $250 a month plus $ 0.03 per page.<BR>\n" );
document.write( "A. Find the cost equations for each copier.<BR>\n" );
document.write( "B. Which copier would be best for 5,000 pages a month? For 10,000 copies?<BR>\n" );
document.write( "C. Graph the equations on the same axes and show clearly where each copier is cheapest.<BR>\n" );
document.write( "D. Find the volumes at which the costs are equal and mark the point on your graph. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #790460 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=790460\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> here's your graph.<BR>\n" );
document.write( "copier A is in red.<BR>\n" );
document.write( "copier B is in blue.\r<BR>\n" );
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document.write( "the cost for copier A is 120 + .05 * x<BR>\n" );
document.write( "the cost for copier B is 250 + .03 * x\r<BR>\n" );
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document.write( "on the graph, the total cost for each copier is equal to y.\r<BR>\n" );
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document.write( "the equation for copier A is y = 120 + .05 * x<BR>\n" );
document.write( "the equation for copier B is y = 250 + .03 * x\r<BR>\n" );
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document.write( "at 5000 copies a month, the total cost for copier A is 370 per month and the total cost for copier B is 400 per month.<BR>\n" );
document.write( "copier A is cheaper.\r<BR>\n" );
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document.write( "at 10,000 copies a month, the total cost for cop[ier A is 620 per month and the total cost for copier B is 550 per month.<BR>\n" );
document.write( "copier B is cheaper.\r<BR>\n" );
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document.write( "the break even point is at 6500 copies per month.<BR>\n" );
document.write( "at 6500 copies per month, total cost for copier and the total cost for copier B is 445 per month each.\r<BR>\n" );
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document.write( "all this can be seen on the graph.<BR>\n" );
document.write( "the graph is shown below.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src = \"http://theo.x10hosting.com/2020/092701.jpg\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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