document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=451035>Question 451035</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a long-distance runner left his house running at an average rate of 8 miles per hour. fifteen minutes (one-fourth of an hour) later, his son left his house on his bike traveling on the same route at an average rate of 12 miles per hour. how long will it take the son to catch up with his father? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #310160 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=310160\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> speed * time = distance<BR>\n" );
document.write( "Let t=son's time<BR>\n" );
document.write( "8(t+.25)=father's dist.<BR>\n" );
document.write( "12t=son's dist.<BR>\n" );
document.write( "12t=8t+2 distances are equal when the son catches up.<BR>\n" );
document.write( "4t=2<BR>\n" );
document.write( "t= 1/2 hour.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );