document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=899613>Question 899613</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boat traveled at 10 km/h for 1 hour, then at 13 km/h for 2 hours, and finally at 11 km/h for another hour... Over the whole trip the average speed was 15 km/h. How was it 15km/h </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #545508 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=545508\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The average speed is: <BR>\n" );
document.write( "( total distance traveled ) / ( total time of travel )<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+=+10%2A1+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+10%2A1+\"   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+=+10+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B2%5D+=+13%2A2+ ALIGN=MIDDLE  ALT=\"+d%5B2%5D+=+13%2A2+\"   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+=+26+ ALIGN=MIDDLE  ALT=\"+d%5B2%5D+=+26+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B3%5D+=+11%2A1+ ALIGN=MIDDLE  ALT=\"+d%5B3%5D+=+11%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B3%5D+=+11+ ALIGN=MIDDLE  ALT=\"+d%5B3%5D+=+11+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+%2B+d%5B2%5D+%2B+d%5B3%5D+=+10+%2B+26+%2B+11+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+%2B+d%5B2%5D+%2B+d%5B3%5D+=+10+%2B+26+%2B+11+\"   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+%2B+d%5B2%5D+%2B+d%5B3%5D+=+47+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+%2B+d%5B2%5D+%2B+d%5B3%5D+=+47+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "total time = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1+%2B+2+%2B+1+ ALIGN=MIDDLE  ALT=\"+1+%2B+2+%2B+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "total time = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4+ ALIGN=MIDDLE  ALT=\"+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+47+%2F+4+=+11.75+ ALIGN=MIDDLE  ALT=\"+47+%2F+4+=+11.75+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km/hr<BR>\n" );
document.write( "I don't see how it could be 15 km/hr<BR>\n" );
document.write( "with the given numbers\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );