document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=28620>Question 28620</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The farmer and his son leave a barn at the same time and walk in opposite directions checking a fence line. The son walks at a speed of 3.5 km/h, and the farmer at 4.0 km/h. How much time will have elapsed when the farmer and his son are 2.5 km apart? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #15593 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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=15593\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the time be x<BR>\n" );
document.write( "3.5x+4x=2.5<BR>\n" );
document.write( "7.5x=2.5<BR>\n" );
document.write( "x=2.5/7.5 or 1/3\r<BR>\n" );
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document.write( "Hence, after 1/3 hours they are 2.5 km apart.<BR>\n" );
document.write( "Paul,<BR>\n" );
document.write( " </SPAN>\n" );
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