document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=887960>Question 887960</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a man drives to his office at 60km/hr and returns home along the same route at 30km/hr. Find the average speed?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #536972 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=536972\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a man drives to his office at 60km/hr and returns home along the same route at 30km/hr. Find the average speed?<BR>\n" );
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document.write( "Avg = 2*60*30/(60 + 30) = 3600/90<BR>\n" );
document.write( "= 40 km/hr<BR>\n" );
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document.write( "It's similar to parallel resistors and parallel flows.<BR>\n" );
document.write( "Notice that the distance is not a factor. </SPAN>\n" );
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