document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=881836>Question 881836</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2 trains starts at the same times but in opposite directions. their speed are 80 km/hr and 90 km/hr. after how long will they be 850 km apart?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #532528 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=532528\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D = rt<BR>\n" );
document.write( "80t + 90t = 850km<BR>\n" );
document.write( "170t = 850km<BR>\n" );
document.write( "    t = 850km/(170kmph) = 5 hr </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );