document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=304053>Question 304053</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two cars leave town traveling in opposite directions at 50 km/h and 40 km/h. In how many hours will they be 300 km apart? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #217819 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=217819\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> speed of one car = 50 kmph\r<BR>\n" );
document.write( "\n" );
document.write( "Let this travel x miles when thay are 300 kms away\r<BR>\n" );
document.write( "\n" );
document.write( "speed of other car = 40 kmph\r<BR>\n" );
document.write( "\n" );
document.write( "this would have traveled 300-x in the same time\r<BR>\n" );
document.write( "\n" );
document.write( "x/50 = 300-x /40\r<BR>\n" );
document.write( "\n" );
document.write( "40x=50(300-x)\r<BR>\n" );
document.write( "\n" );
document.write( "40x=15000-50x\r<BR>\n" );
document.write( "\n" );
document.write( "90x= 15000<BR>\n" );
document.write( "x= 15000/90\r<BR>\n" );
document.write( "\n" );
document.write( "x= 166.66 km\r<BR>\n" );
document.write( "\n" );
document.write( "166.66 /50= 3.33 hours\r<BR>\n" );
document.write( "\n" );
document.write( "they will be 300 km apart after 3.33 hours\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );