document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1173091>Question 1173091</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rental car agency charges $19 per day plus 10 cents per mile to rent a certain car. Another agency charges $21 per day plus 5 cents per mile to rent the same car. How many miles per day will have to be driven for the cost of a car from the first agency to equal the cost of a car from the second agency? <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 #798281 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=798281\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> set the two equal to each other, since they are both functions of cost.<BR>\n" );
document.write( "$19+0.10x=$21+.05x units are dollars and dollars/mile * mile<BR>\n" );
document.write( "0.05x dollars/mile=$2<BR>\n" );
document.write( "x=40 miles </SPAN>\n" );
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