document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=690468>Question 690468</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A train running at 60 kmph takes 30 seconds to pass a platform. It takes 18 seconds to pass a person walking at 7 kmph in the same direction in which the train is running. What is the length of the railway platform and also the length of the train. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #426368 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=426368\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A train running at 60 kmph takes 30 seconds to pass a platform.<BR>\n" );
document.write( " It takes 18 seconds to pass a person walking at 7 kmph in the same direction in which the train is running.<BR>\n" );
document.write( " What is the length of the railway platform and also the length of the train.<BR>\n" );
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document.write( "The effective speed between the train and the walker: 60-7 = 53 km/hr<BR>\n" );
document.write( "How long a train takes 18 sec to pass a point at 53 km/hr? (In meters)<BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18%2F3600 ALIGN=MIDDLE  ALT=\"18%2F3600\"   DISABLED_style= \"max-width:90%; height:auto;\" > * 53 * 1000 <BR>\n" );
document.write( "d = 265 meters is the length of the train<BR>\n" );
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document.write( "Find the speed of the train in meter/sec<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2860%2A1000%29%2F3600 ALIGN=MIDDLE  ALT=\"%2860%2A1000%29%2F3600\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 16.67 m/sec<BR>\n" );
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document.write( "Find the length of the platform (p) in meters<BR>\n" );
document.write( "Write a time equation, dist/speed = time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28p%2B265%29%2F16.67 ALIGN=MIDDLE  ALT=\"%28p%2B265%29%2F16.67\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 30<BR>\n" );
document.write( "p + 265 = 16.67(30)<BR>\n" );
document.write( "p + 265 = 500<BR>\n" );
document.write( "p = 500 - 265<BR>\n" );
document.write( "p = 235 meters is the length of the platform\r<BR>\n" );
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document.write( " </SPAN>\n" );
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