document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206987>Question 206987</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A truck can be rented from Basic Rental for $50 per day plus $0.20 per mile. Roadrunners charges $20 per day plus $0.50 per mile to rent the same truck. How many miles must be driven in a day to make the rental cost for Basic Rental a better deal than that for Roadrunners?\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 #156490 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=156490\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 50+.20x<20+.50x<BR>\n" );
document.write( ".20x-.50x<20-50<BR>\n" );
document.write( "-.30x<-30<BR>\n" );
document.write( "x>-30/-.30 Note: (the < sign changes to a > sign when diving by a negative value.)<BR>\n" );
document.write( "x>100 miles is the break even point.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "Let x=101 miles.<BR>\n" );
document.write( "50+.20*101<20+.50*101<BR>\n" );
document.write( "50+20.2<20+50.5<BR>\n" );
document.write( "70.2<70.5.\r<BR>\n" );
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