document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=481036>Question 481036</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In traveling from city A to city B, John drove for 1 hour at 50 mph and for 3 hours at 60 mph. What was his average speed for the whole trip  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #329391 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=329391\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In traveling from city A to city B, John drove for 1 hour at 50 mph and for 3 hours at 60 mph. What was his average speed for the whole trip <BR>\n" );
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document.write( "1 hr distance: 1 hr*50mph = 50 miles<BR>\n" );
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document.write( "3 hr distance: 3 hr*60mph = 180 miles<BR>\n" );
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document.write( "Average speed = (total distance)/(total time)<BR>\n" );
document.write( "= (50+180)/4 <BR>\n" );
document.write( "= 230/4<BR>\n" );
document.write( "= 57.5 mph<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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