document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1074663>Question 1074663</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Pablo spends 2 hours for an upcoming race. He runs full speed at 9 miles per hour for the race distance; then he walks back to his starting point at 2.5 miles per hour. How long does he spend walking? How long does he spend running? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #689314 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=689314\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> LET X=THE TIME RUN AT FULL SPEED; therefore the distance run is 9x.<BR>\n" );
document.write( "return distance is 2.5*(2-x); the total time is x+(2-x)=2<BR>\n" );
document.write( "distances are the same<BR>\n" );
document.write( "9x=2.5(2-x)<BR>\n" );
document.write( "9x=5-2.5x<BR>\n" );
document.write( "11.5x=5<BR>\n" );
document.write( "x=5/11.5=0.435 hours running, distance is 9*0.435=3.915 miles<BR>\n" );
document.write( "2-x=1.565 hours walking; distance is 3.913 miles, which is equal given rounding. </SPAN>\n" );
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