document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=972517>Question 972517</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two planes travel toward each other from cities that are 1100 km apart at rates of 210 km/h and 230 km/h.  They started at the same time.  In how many hours will they meet? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #594872 by </B><A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><B>amarjeeth123(570)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><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=594872\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let them meet after a time t.<BR>\n" );
document.write( "Distance=Speed*time<BR>\n" );
document.write( "Distance covered by one plane=210t<BR>\n" );
document.write( "Distance covered by the other plane=230t<BR>\n" );
document.write( "We have 210t+230t=1100<BR>\n" );
document.write( "440t=1100<BR>\n" );
document.write( "t=1100/440=110/44=10/4=2.5 hours<BR>\n" );
document.write( "They will meet in 2.5 hours. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );