document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=881482>Question 881482</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car travels 180 km from A to B at 60 kph and returns from B to A along the same route at 90 kph. what is the average speed for the round trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #532240 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=532240\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A car travels 180 km from A to B at 60 kph and returns from B to A along the same route at 90 kph. what is the average speed for the round trip?<BR>\n" );
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document.write( "Average speed = (total distance)/(total time)<BR>\n" );
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document.write( "total distance = 2*180 = 360 km<BR>\n" );
document.write( "total time = 180/60 + 180/90 = 3 + 2 = 5 hrs<BR>\n" );
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document.write( "Average speed = 360 km/ 5 hrs = 72 kph<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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