document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=255703>Question 255703</A>: <I><SPAN STYLE=\"word-break: break-all;\"> trains A and B are traveling in the same direction on the parallel tracks. train A is traveling 100 miles per hour and train B is traveling at 110miles per hour. Train A passed a station at 7:10pm if train B passes the same station at 7:22pm. At what time till train B catch up with train A?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #187953 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=187953\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> trains A and B are traveling in the same direction on the parallel tracks. train A is traveling 100 miles per hour and train B is traveling at 110miles per hour. Train A passed a station at 7:10pm if train B passes the same station at 7:22pm. At what time till train B catch up with train A?<BR>\n" );
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document.write( "Train A DATA:<BR>\n" );
document.write( "rate = 100 mph ; time = x hrs. ; distance = rt = 100x miles<BR>\n" );
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document.write( "Train B DATA:<BR>\n" );
document.write( "rate = 110 mph ; time = (x-(22/60)) hrs ; distance = 110*(x-(11/30)) miles<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "distance = distance<BR>\n" );
document.write( "100x = 110(30x-11)/30)<BR>\n" );
document.write( "(10/11)x = (30x-11)/30<BR>\n" );
document.write( "Cross-multiply:<BR>\n" );
document.write( "300x = 11(30x-11)<BR>\n" );
document.write( "300x = 330x - 121<BR>\n" );
document.write( "30x = 121<BR>\n" );
document.write( "x = 121/30 hr (time for A Train)<BR>\n" );
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document.write( "Time = 7:10 + (121/30) hr<BR>\n" );
document.write( "Time = 7:10 + 4 hrs + 0.033333*60 min<BR>\n" );
document.write( "Time = 11:10 + 2 minutes<BR>\n" );
document.write( "Time = 11:12 pm<BR>\n" );
document.write( "======================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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