document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=992175>Question 992175</A>: <I><SPAN STYLE=\"word-break: break-all;\"> greg drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 8 hours. When Greg drive home, there was no traffic and the trip only took 5 hours. If his average rate was 21 mph faster on the trip home, how far away does Greg live from the mountains? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #611793 by </B><A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><B>Edwin McCravy(20081)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><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=Edwin+McCravy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=611793\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Greg drove to the mountains last weekend. There was heavy <BR>\n" );
document.write( "traffic on the way there, and the trip took 8 hours. When <BR>\n" );
document.write( "Greg drive home, there was no traffic and the trip only <BR>\n" );
document.write( "took 5 hours. If his average rate was 21 mph faster on <BR>\n" );
document.write( "the trip home, how far away does Greg live from the <BR>\n" );
document.write( "mountains?<BR>\n" );
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document.write( "Let the answer be that Greg lives x miles from the mountains.\r\n" );
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document.write( ">>...on the way there,...the trip took 8 hours...<<<BR>\n" );
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document.write( "So his average rate going to the mountains was x miles per \r\n" );
document.write( "8 hours or x/8 mph.\r\n" );
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document.write( ">>... When Greg drive home,...the trip...took 5 hours...<<<BR>\n" );
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document.write( "So his average rate coming home from the mountains was x \r\n" );
document.write( "miles per 5 hours or x/5 mph\r\n" );
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document.write( ">>...his average rate was 21 mph faster on the trip home...<<<BR>\n" );
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document.write( "So the equation is \r\n" );
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document.write( "                 x/5 = x/8 + 21\r\n" );
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document.write( "Solve that by multiplying through by LCD = 40\r\n" );
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document.write( "The answer is somewhere between 250 and 300 miles.\r\n" );
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document.write( "Edwin</PRE> </SPAN>\n" );
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