document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=335546>Question 335546</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hanson drove 200 kilometers at x km/hr and then decreased his speed 20 km/hr and drove 240 extra kilometers. Write a rational expression for his total traveling time. Evaluate that expression for x = 100 km/hr. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #240547 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=240547\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 200 km at xkm/h<BR>\n" );
document.write( "time = 200/x <BR>\n" );
document.write( "..<BR>\n" );
document.write( "decreased speed = x-20<BR>\n" );
document.write( "distance traveled = 240 km<BR>\n" );
document.write( "time = 240 /(x-20)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Total time T = 200/x + 240/(x-20)<BR>\n" );
document.write( "For x =100<BR>\n" );
document.write( "..<BR>\n" );
document.write( "T = 200/100 + 240/(80)<BR>\n" );
document.write( "T=2+3 = 5 hours </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );