document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=492877>Question 492877</A>: <I><SPAN STYLE=\"word-break: break-all;\"> joe drove a rate of 24 mph for 3 hours then he drove at 40mph for another 5 hours. What is his average speed 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 #335207 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=335207\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Average speed is always ( total distance ) / ( total time )<BR>\n" );
document.write( "Is is NOT the average of 2 averages, so<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+=+24%2A3+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+24%2A3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+=+72+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+72+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B2%5D+=+40%2A5+ ALIGN=MIDDLE  ALT=\"+d%5B2%5D+=+40%2A5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B2%5D+=+200+ ALIGN=MIDDLE  ALT=\"+d%5B2%5D+=+200+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "The average speed is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+72+%2B+200+%29+%2F+%28+3+%2B+5+%29+ ALIGN=MIDDLE  ALT=\"+%28+72+%2B+200+%29+%2F+%28+3+%2B+5+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+272+%2F+8++=+34+ ALIGN=MIDDLE  ALT=\"+272+%2F+8++=+34+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "His average speed is 34 mi/hr<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "Note that the average of the averages is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+24+%2B+40+%29+%2F+2+=+32+ ALIGN=MIDDLE  ALT=\"+%28+24+%2B+40+%29+%2F+2+=+32+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and this is wrong </SPAN>\n" );
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