document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1078220>Question 1078220</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car drove from town A to town B at an average of 60 mph. On the return trip from town B to town A the car took exactly the same route. It was foggy and the car only averaged 40 mph on the return trip. What is the average speed over 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 #692707 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=692707\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rate * Time = Distance<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60%2At%5B1%5D=D ALIGN=MIDDLE  ALT=\"60%2At%5B1%5D=D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D=D%2F60 ALIGN=MIDDLE  ALT=\"t%5B1%5D=D%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40%2At%5B2%5D=D ALIGN=MIDDLE  ALT=\"40%2At%5B2%5D=D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B2%5D=D%2F40 ALIGN=MIDDLE  ALT=\"t%5B2%5D=D%2F40\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So then the total distance traveled was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2D ALIGN=MIDDLE  ALT=\"2D\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the total time used was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D%2Bt%5B2%5D ALIGN=MIDDLE  ALT=\"t%5B1%5D%2Bt%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > so the average rate is,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5BAVE%5D=%282D%29%2F%28t%5B1%5D%2Bt%5B2%5D%29 ALIGN=MIDDLE  ALT=\"R%5BAVE%5D=%282D%29%2F%28t%5B1%5D%2Bt%5B2%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substituting,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5BAVE%5D=%282D%29%2F%28D%2F60%2BD%2F40%29 ALIGN=MIDDLE  ALT=\"R%5BAVE%5D=%282D%29%2F%28D%2F60%2BD%2F40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5BAVE%5D=2%2F%282%2F120%2B3%2F120%29 ALIGN=MIDDLE  ALT=\"R%5BAVE%5D=2%2F%282%2F120%2B3%2F120%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5BAVE%5D=240%2F5 ALIGN=MIDDLE  ALT=\"R%5BAVE%5D=240%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Work that out for your final answer.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );