document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=904241>Question 904241</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Duke’s Car Rental rents cars at $40 plus 15 cents a mile. Mickey’s Rentals rents cars at $50 plus 10 cents a mile.\r<BR>\n" );
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document.write( "a) Write a linear equation for the cost, C, of each car rental as a function of miles, m, driven.\r<BR>\n" );
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document.write( "b) Graph both functions together. Label functions and axis and use appropriate scaling.\r<BR>\n" );
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document.write( "c) Interpret what the vertical intercept of each function represents? \r<BR>\n" );
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document.write( "d) At what miles do the rentals cost the same? What is the cost at that mileage?\r<BR>\n" );
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document.write( "e) Analyze and interpret each rental. When is each rental car the best deal?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #548625 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=548625\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> c=.15m+40<BR>\n" );
document.write( "c=.10m+50<BR>\n" );
document.write( "The vertical intercept indicates the daily  fee of $40 or $50<BR>\n" );
document.write( "d) .15m+40=.10m+50<BR>\n" );
document.write( ".05m=10<BR>\n" );
document.write( "5m=1000<BR>\n" );
document.write( "m=200<BR>\n" );
document.write( "They are the same at 200 miles<BR>\n" );
document.write( "e) the second $50 a day is better if you are going more than 200 miles a day\r<BR>\n" );
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