document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1105459>Question 1105459</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If company A rents a truck for $90 a day and .70 per mile, and company B rents a truck for $60 a day .90 per mile, how many miles must be driven in a day <BR>\n" );
document.write( " to make company A the better offer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #720284 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=720284\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=\"black\" face=\"times\" size=\"3\"><BR>\n" );
document.write( "x = number of miles driven per day\r<BR>\n" );
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document.write( "Total Costs<BR>\n" );
document.write( "A = 0.7x+90<BR>\n" );
document.write( "B = 0.9x+60<BR>\n" );
document.write( "Where A is the total cost of going with company A and B is the total cost of going with company B\r<BR>\n" );
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document.write( "To make A the better offer, it must be cheaper or lower in cost<BR>\n" );
document.write( "A < B<BR>\n" );
document.write( "0.7x+90 < 0.9x+60<BR>\n" );
document.write( "90-60 < 0.9x-0.7x<BR>\n" );
document.write( "30 < 0.2x<BR>\n" );
document.write( "0.2x > 30<BR>\n" );
document.write( "x > 30/0.2<BR>\n" );
document.write( "x > 150\r<BR>\n" );
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document.write( "You need to travel <font color=red>more than 150 miles in a day</font> to have company A be the better offer (ie be cheaper) compared to company B.<BR>\n" );
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