document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=857691>Question 857691</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It is 185 km from city A to city B. If a bus takes 2 hours to cover the first 85 km, how long must it take to travel the final 100 km in order to average 50 kmph for the entire trip </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #516746 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=516746\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It is 185 km from city A to city B. If a bus takes 2 hours to cover the first 85 km, how long must it take to travel the final 100 km in order to average 50 kmph for the entire trip\r<BR>\n" );
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document.write( "Time taken at average 50 km/h = 185/50 = 3.7 hours\r<BR>\n" );
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document.write( "time taken for 85 km = 2 hours\r<BR>\n" );
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document.write( "time taken for next 100 km = 100/x\r<BR>\n" );
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document.write( "where x is the speed\r<BR>\n" );
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document.write( "2+100/x= 3.7\r<BR>\n" );
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document.write( "2x+100=3.7x\r<BR>\n" );
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document.write( "1.7x= 100\r<BR>\n" );
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document.write( "x= 58.82 km/h </SPAN>\n" );
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