document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1050765>Question 1050765</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if you want to travel an average of 50/mi per hour on a trip and half of the trip you go 25/mi per hour how fast do you have to travel in the second half </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #666398 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=666398\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if you want to travel an average of 50/mi per hour on a trip and half of the trip you go 25/mi per hour how fast do you have to travel in the second half <BR>\n" );
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document.write( "2nd half DATA:<BR>\n" );
document.write( "rate = 25 mph ; distance = x miles ; time = x/25 hrs<BR>\n" );
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document.write( "Final Results::<BR>\n" );
document.write( "rate = 50 mph ; distance = 2x miles ; time = (2x)/50 hrs = x/25 hrs<BR>\n" );
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document.write( "2nd half DATA:<BR>\n" );
document.write( "distance = x miles ; time = (x/25)-(x/25) = 0 ; rate = x/0 = infinity<BR>\n" );
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document.write( "After the 1st half at 25 mph there is zero time for the <BR>\n" );
document.write( "2nd half trip if the average rate is to be 50 mph.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. \r<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );