document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=834059>Question 834059</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Train a left the station at 7 a.m. And is traveling at a rate of 56 miles per hour. Train b left the same station at 8 AM traveling on a parallel track at a speed of 72 miles per hour. At what time will train b catch up to train a? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #502810 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=502810\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "______________speed___________time quantity____________distance<BR>\n" );
document.write( "train a_______56______________t+1______________________d<BR>\n" );
document.write( "train b_______72______________t________________________d\r<BR>\n" );
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document.write( "The faster train travels for less time, so you see train b had traveled t hours but train a, the slower train, had to travel for t+1 hours.  The time quantity between 7AM and 8AM is 1 hour.  Both trains reach some identical travel distance, d.  The unknowns are d and t.\r<BR>\n" );
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document.write( "Rate*Time=Distance, the uniform rates equation for travel.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=56%28t%2B1%29=d ALIGN=MIDDLE  ALT=\"56%28t%2B1%29=d\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=72t=d ALIGN=MIDDLE  ALT=\"72t=d\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Equate the two expressions for d and solve for t. </SPAN>\n" );
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