document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=765423>Question 765423</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a train takes 7 hours to travel from station A to station B. if its speed is increased by 10 km/h, it will take 1 hour less to complete the journey.find the distance between two stations? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #466140 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=466140\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Distance = Speed * Time<BR>\n" );
document.write( "Speed = x\r<BR>\n" );
document.write( "\n" );
document.write( "    7x = 6x + 60<BR>\n" );
document.write( "  7x - 6x = 60<BR>\n" );
document.write( "       x = 60<BR>\n" );
document.write( "Speed = 60mph<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "7 * x = 6 * (x + 10)<BR>\n" );
document.write( "7 * 60 = 6 * (60 + 10)<BR>\n" );
document.write( "7 * 60 = 6 * 70<BR>\n" );
document.write( "    420 = 420<BR>\n" );
document.write( "Distance = 420 miles.<BR>\n" );
document.write( "Hope this helps.<BR>\n" );
document.write( ":-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );