document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=873552>Question 873552</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Cars A and B travel down the same road. A's speed <BR>\n" );
document.write( "is r km/h and B's speed is s km/h (A's speed is less than B's) <BR>\n" );
document.write( "When will B overtake A? t=A's time.\r<BR>\n" );
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document.write( "1. A and B start at the same time but A starts p km in front of B.<BR>\n" );
document.write( "2. A and B start in the same place but A starts q hours before B.\r<BR>\n" );
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document.write( "Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #526942 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=526942\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%3Cs ALIGN=MIDDLE  ALT=\"r%3Cs\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = UNKNOWN time<BR>\n" );
document.write( "r = speed of carA<BR>\n" );
document.write( "s = speed of carB<BR>\n" );
document.write( "Conditions Number 1:  Same departure location, A starts p kilom ahead of B.<BR>\n" );
document.write( "This means car A is starting at a position p, and while traveling, position becomes p+rt.\r<BR>\n" );
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document.write( "Basic Rule:  RT=D for rate, time, distance.\r<BR>\n" );
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document.write( "WHICH CAR___________Speed________time_______distance<BR>\n" );
document.write( "A___________________r____________t__________p+rt<BR>\n" );
document.write( "B___________________s____________t___________st\r<BR>\n" );
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document.write( "The variable t is to be the same value for when B overtakes A and is unknown.  The distance expressions must be equal when B overtakes A, and this equality uses only the unknown of t.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28p%2Brt=st%29 ALIGN=MIDDLE  ALT=\"highlight%28p%2Brt=st%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "Solve for t, the only unknown variable.  <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=st-rt=p ALIGN=MIDDLE  ALT=\"st-rt=p\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28s-r%29t=p ALIGN=MIDDLE  ALT=\"%28s-r%29t=p\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28highlight%28t=p%2F%28s-r%29%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28highlight%28t=p%2F%28s-r%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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