document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=95270>Question 95270</A>: <I><SPAN STYLE=\"word-break: break-all;\"> John walked from point P to point Q and back again, a total distance of 2 miles.  If he averaged 4 miles per hour on the trip from P to Q and 5 miles per hour on the return trip, what was his average walking 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 #69462 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=69462\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> John walked from point P to point Q and back again, a total distance of 2 miles. If he averaged 4 miles per hour on the trip from P to Q and 5 miles per hour on the return trip, what was his average walking speed for the entire trip?<BR>\n" );
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document.write( "We want to find out the total time it took him to walk the total distance, then<BR>\n" );
document.write( "it is an easy calculation to find the average speed<BR>\n" );
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document.write( "Time = Dist/speed<BR>\n" );
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document.write( "One way distance = 1 mile<BR>\n" );
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document.write( "To time + return time = Total time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4+%2B+1%2F5 ALIGN=MIDDLE  ALT=\"1%2F4+%2B+1%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285+%2B+4%29%2F20 ALIGN=MIDDLE  ALT=\"%285+%2B+4%29%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%2F20 ALIGN=MIDDLE  ALT=\"9%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .45 hrs to walk the two miles<BR>\n" );
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document.write( "Speed = dist/time<BR>\n" );
document.write( "Av speed = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F.45 ALIGN=MIDDLE  ALT=\"2%2F.45\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 4.44 mph \r<BR>\n" );
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document.write( " </SPAN>\n" );
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