document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=962956>Question 962956</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The great runner could travel 10 miles at 5 mph and then run 6 miles at 2 mph. What should be her speed for the next 8 miles so that her overall average speed would be 4 mph. Thank you in advance!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #588339 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=588339\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The great runner could travel 10 miles at 5 mph and then run 6 miles at 2 mph. What should be her speed for the next 8 miles so that her overall average speed would be 4 mph.<BR>\n" );
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document.write( "let x=travel time for next 8 miles<BR>\n" );
document.write( "average speed=total distance/total travel time<BR>\n" );
document.write( "total distance=10+6+8=24<BR>\n" );
document.write( "total travel time=10/5+6/2+x=5+x<BR>\n" );
document.write( "24/(5+x)=4<BR>\n" );
document.write( "20+4x=24<BR>\n" );
document.write( "4x=4<BR>\n" );
document.write( "x=1 hr<BR>\n" );
document.write( "her speed for the next 8 miles=8/1=8 mph </SPAN>\n" );
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