document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=577446>Question 577446</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that a car rental agency gave you the following choices. <BR>\n" );
document.write( "Option A $30 per day plus 40¢ per mile<BR>\n" );
document.write( " Option B flat $50 per day \r<BR>\n" );
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document.write( "(a) Write equations for cost per day c for options A and B. (Use m for distance in miles.)<BR>\n" );
document.write( " c = $ \r<BR>\n" );
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document.write( ". (option A)<BR>\n" );
document.write( " c) Estimate the mileage for which both rates are the same.<BR>\n" );
document.write( "  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #370171 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=370171\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+=+30+%2B+.4m+ ALIGN=MIDDLE  ALT=\"+c+=+30+%2B+.4m+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "B:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+=+50+ ALIGN=MIDDLE  ALT=\"+c+=+50+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "Here's the plot:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+400%2C+400%2C+-5%2C+60%2C+-5%2C+60%2C+50%2C+.4x+%2B+30+%29+ ALIGN=MIDDLE  ALT=\"+graph%28+400%2C+400%2C+-5%2C+60%2C+-5%2C+60%2C+50%2C+.4x+%2B+30+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The miles, m, looks like 50 where they intersect </SPAN>\n" );
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