document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=894747>Question 894747</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two cars leave towns <BR>\n" );
document.write( "600<BR>\n" );
document.write( " kilometers apart at the same time and travel toward each other. One car's rate is <BR>\n" );
document.write( "18<BR>\n" );
document.write( " kilometers per hour less than the other's. If they meet in <BR>\n" );
document.write( "4<BR>\n" );
document.write( " hours, what is the rate of the slower car? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #542290 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=542290\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <i>Two cars leave towns <BR>\n" );
document.write( "d<BR>\n" );
document.write( " kilometers apart at the same time and travel toward each other. One car's rate is <BR>\n" );
document.write( "k<BR>\n" );
document.write( " kilometers per hour less than the other's. If they meet in <BR>\n" );
document.write( "h<BR>\n" );
document.write( " hours, what is the rate of the slower car?</i>\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Let r = speed of faster car<BR>\n" );
document.write( "r-k = speed of slower car<BR>\n" );
document.write( "KNOWN:  d, k, h<BR>\n" );
document.write( "UNKNOWN: r\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Cars approach each other at rate of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%2B%28r-k%29=highlight_green%282r-k%29 ALIGN=MIDDLE  ALT=\"r%2B%28r-k%29=highlight_green%282r-k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > kilometers per hour.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28%282r-k%29%2Ah=d%29 ALIGN=MIDDLE  ALT=\"highlight_green%28%282r-k%29%2Ah=d%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, according to uniform rates travel rule.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2r-k=d%2Fh ALIGN=MIDDLE  ALT=\"2r-k=d%2Fh\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2r=d%2Fh%2Bk ALIGN=MIDDLE  ALT=\"2r=d%2Fh%2Bk\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=%28d%2Fh%2Bk%29%2F2 ALIGN=MIDDLE  ALT=\"r=%28d%2Fh%2Bk%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=%28d%2Fh%2Bhk%2Fh%29%2F2 ALIGN=MIDDLE  ALT=\"r=%28d%2Fh%2Bhk%2Fh%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=d%2F%282h%29%2Bhk%2F%282h%29 ALIGN=MIDDLE  ALT=\"r=d%2F%282h%29%2Bhk%2F%282h%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28r=%28d%2Bhk%29%2F%282h%29%29 ALIGN=MIDDLE  ALT=\"highlight%28r=%28d%2Bhk%29%2F%282h%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Exact form of formula for r can vary a bit.<BR>\n" );
document.write( "Substitute given values and evaluate. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );