document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1183834>Question 1183834</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi<BR>\n" );
document.write( "Sally walked halfway to school at 5km per hour. She then ran the rest of the way at 8km per hour. If she rode home at a speed of 40km per hour,what was her average speed to and from school. <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #814336 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=814336\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let d = distance from home to school\r<BR>\n" );
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document.write( "===> 2d = total distance travelled to and from school\r<BR>\n" );
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document.write( "===> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28d%2F2%29%2F5+=+d%2F10 ALIGN=MIDDLE  ALT=\"%28d%2F2%29%2F5+=+d%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time in the walking part of the trip\r<BR>\n" );
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document.write( "===><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28d%2F2%29%2F8+=+d%2F16 ALIGN=MIDDLE  ALT=\"%28d%2F2%29%2F8+=+d%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time in the running part of the trip\r<BR>\n" );
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document.write( "===> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F40 ALIGN=MIDDLE  ALT=\"d%2F40\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time in the riding part, going back home.\r<BR>\n" );
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document.write( "===> Average speed to and from school = Total distance/Total time of travel\r<BR>\n" );
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document.write( " = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282d%29%2F%28d%2F10+%2B+d%2F16+%2B+d%2F40%29+=+2%2F%281%2F10+%2B+1%2F16+%2B+1%2F40%29++=+32%2F3+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > kph </SPAN>\n" );
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