document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=403007>Question 403007</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a boy rides a bike at 8 mph. if one hour later the father leaves and catches up to him in 15 minutes, how fast did the father go? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #285034 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=285034\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a boy rides a bike at 8 mph. if one hour later the father leaves and catches up to him in 15 minutes, how fast did the father go?<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Boy DATA:<BR>\n" );
document.write( "rate = 8 mph ; time = (5/4) hrs ; distance = rt = (8)(5/4) = 10 miles<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "Let father's rate be \"r\":<BR>\n" );
document.write( "rate = distance/time<BR>\n" );
document.write( "---<BR>\n" );
document.write( "father's rate = 10/(1/4)mph = 40 mph<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );