document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1036055>Question 1036055</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A runner averages 6 kph in the first lap of a race. How fast would she have to run on the second lap in order to average 8 kph for the entire race? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #650671 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=650671\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One way to do this is to assume there is 24 km per lap (it is the common multiple of 6 and 8)...<BR>\n" );
document.write( "Thus she would take 4 hours to finish that first lap.<BR>\n" );
document.write( "She wants to complete 2 laps of 24 km to average 8 kph, so she can take 48/8 = 6 hours total to do that.<BR>\n" );
document.write( "She has already run for 4 hours, thus she would need to finish the second 24 km lap in 2 hours, an average of<BR>\n" );
document.write( "12 kph<BR>\n" );
document.write( "(By the way, it doesn't matter what distance you choose as a lap...) </SPAN>\n" );
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