document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1194984>Question 1194984</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man travels for 8 hours at a rate of 100 miles per hour. If his average speed for the whole trip is 80<BR>\n" );
document.write( "miles per hour, then how long does his return trip take? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #827314 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52784)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=827314\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "A man travels for 8 hours at a rate of 100 miles per hour. <BR>\n" );
document.write( "If his average speed for the whole trip is 80<BR>\n" );
document.write( "miles per hour, then how long does his return trip take?<BR>\n" );
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document.write( "One way trip was 8 hours * 100 miles per hour = 800 miles long.\r\n" );
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document.write( "Hence, whole two-ways trip was 2*800 = 1600 miles.\r\n" );
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document.write( "Since the average rate for the whole trip was 80 miles per hour (as it is given in the problem),\r\n" );
document.write( "the total travel time in both directions was 1600/80 = 20 hours.\r\n" );
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document.write( "Of these 20 hours, 8 hours was just elapced on the the trip to \"there\".\r\n" );
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document.write( "Hence, the trip back was 20-8 = 12 hours long.    <U>ANSWER</U>\r\n" );
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document.write( "Solved.\r<BR>\n" );
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document.write( "It is a simple way to solve the problem without using equations.\r<BR>\n" );
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document.write( "So, this problem/solution is accessible for 4-th grade students that didn't learn equations yet.\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Solved in a way as it &nbsp;SHOULD &nbsp;be done.\r<BR>\n" );
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