document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=23013>Question 23013</A>: <I><SPAN STYLE=\"word-break: break-all;\"> After leaving Moose Jaw, Hanson drove 200 kilometers at x km/hr and then decreased his speed by 20 km/ and drove 240 additional kilomethers. Write a rational expression for his total traveling time. Evaluate the expression for x = 100.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #11407 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=11407\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=RT<BR>\n" );
document.write( "T=D/R\r<BR>\n" );
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document.write( "T(x) = D/R + D/R<BR>\n" );
document.write( "T(x) = 200/x + 240/(x-20)\r<BR>\n" );
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document.write( "When x= 100,<BR>\n" );
document.write( "T(100) = 200/100 + 240/(100-20)<BR>\n" );
document.write( "T(100) = 200/100 + 240/80<BR>\n" );
document.write( "T(100) = 2 + 3 = 5 hours\r<BR>\n" );
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document.write( "R^2 at SCC </SPAN>\n" );
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