document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1072396>Question 1072396</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A train covers its outward journey at 102 mph.  It returns over same distance at 34 mph.  What is the average speed of the train over the whole journey? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #687312 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=687312\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A train covers its outward journey at 102 mph.  It returns over same distance at 34 mph.  What is the average speed of the train over the whole journey?<BR>\n" );
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document.write( "Avg = 2*102*34/(102+34) = 51 mi/hr<BR>\n" );
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document.write( "It's similar to parallel resistors, parallel flows and parallel work.<BR>\n" );
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