document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1008835>Question 1008835</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tim drove halfway Indianapolis at 60 mi/h and the rest of the way at 80 mi/h. What was his average speed for the whole trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #624493 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=624493\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Tim drove halfway Indianapolis at 60 mi/h and the rest of the way at 80 mi/h. What was his average speed for the whole trip?<BR>\n" );
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document.write( "For a round-trip, or trip with 2 parts of equal distance:<BR>\n" );
document.write( "Avg = 2*60*80/(60+80) = 9600/140<BR>\n" );
document.write( "= 480/7 mi/hr<BR>\n" );
document.write( "=~ 68.57 mi/hr<BR>\n" );
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document.write( "It's not 70 because more time is spent at 60 mi/hr. </SPAN>\n" );
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