document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=710509>Question 710509</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I would appreciate help with the following question:\r<BR>\n" );
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document.write( "A car rental company offers two plans for renting a car.<BR>\n" );
document.write( "Plan A: $35 per day and 10¢ per mile<BR>\n" );
document.write( "Plan B: $45 per day with free unlimited mileage<BR>\n" );
document.write( "For what range of miles will plan B save you money?\r<BR>\n" );
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document.write( "uhm my guess would be 35+.10X > 45+X<BR>\n" );
document.write( "but that gives me a negative number.<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 #437012 by </B><A HREF=/tutors/aboutme.mpl?userid=DrBeeee><B>DrBeeee(684)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=DrBeeee><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=437012\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your guess (not a very good mathematical term) is almost correct except for the X on the right hand side of<BR>\n" );
document.write( "(1) 35 + 0.10*X > 45 + X<BR>\n" );
document.write( "It should be<BR>\n" );
document.write( "(2) 35 + 0.10*X > 45, without the X because you get unlimited milage for $45. That is, in math terms it is independent of mileage X.<BR>\n" );
document.write( "Solve (2) gives us<BR>\n" );
document.write( "(3) 0.10*X > 45-35 or<BR>\n" );
document.write( "(4) X/10 > 10 or<BR>\n" );
document.write( "(5) X > 100<BR>\n" );
document.write( "Answer: Plan B is better when you are going to travel more than 100 miles a day. </SPAN>\n" );
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