document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1079570>Question 1079570</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two cars M and N start at the same point and at the same time and travel in opposite directions. Car N travelling 20 kph slower than M. If they are 420 kilometers apart after 3 hours, find the rates of each. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #693877 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=693877\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let m be the speed of car M. Then car N is m-20. So:<BR>\n" );
document.write( "3m+3(m-20)=420<BR>\n" );
document.write( "6m-60=420<BR>\n" );
document.write( "6m=480<BR>\n" );
document.write( "m=80 k/hr as the speed of car M; 60 k/hr as the speed of car N. &#9786;&#9786;&#9786;&#9786; </SPAN>\n" );
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