document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=440730>Question 440730</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If you travel to work at 30mph and go home by 40 mph, what is your average rate 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 #304374 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=304374\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If you travel to work at 30mph and go home by 40 mph, what is your average rate for the entire trip?<BR>\n" );
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document.write( "I worked this previously, and it's similar to parallel resistors, but 2 times that.<BR>\n" );
document.write( "Avg = 2*30*40/(30+40) = 2400/70<BR>\n" );
document.write( "= 240/7 mph<BR>\n" );
document.write( "=~ 34.28 mph<BR>\n" );
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document.write( "It's always less than the avg of the 2 speeds, because more time is spent going at the slower speed. </SPAN>\n" );
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