document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=942346>Question 942346</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A train travels from city A to city B to city C. The distance from A to B is 23 miles. The distance from B to C is 45 miles. The train took 1 hour for the trip from A to B and then went from B to C at an average speed of 30 miles per hour. What was the average speed of the train for the entire trip (in miles per hour)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #574469 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=574469\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A train travels from city A to city B to city C. The distance from A to B is 23 miles. The distance from B to C is 45 miles. The train took 1 hour for the trip from A to B and then went from B to C at an average speed of 30 miles per hour. What was the average speed of the train for the entire trip (in miles per hour)?<BR>\n" );
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document.write( "Average speed=total distance traveled/total travel time<BR>\n" );
document.write( "total distance traveled=23+45=68 miles<BR>\n" );
document.write( "total travel time=1+45/30=1+(3/2)=2.5 hrs<BR>\n" );
document.write( "average speed of the train for the entire trip=68/(2.5)=27.2 mph </SPAN>\n" );
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