document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1014913>Question 1014913</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two persons 27 km apart starting at the same time are together in 9 hours if they walk in the same direction but 3 hours if they walk in opposite directions. Find out speed of each man. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #631239 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=631239\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the formula d = r*t.<BR>\n" );
document.write( "Let the rate of the first person be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B1%5D ALIGN=MIDDLE  ALT=\"r%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and that of the second, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B2%5D ALIGN=MIDDLE  ALT=\"r%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then in the first scenario, we have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9r%5B1%5D+=+27+%2B9r%5B2%5D ALIGN=MIDDLE  ALT=\"9r%5B1%5D+=+27+%2B9r%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B1%5D+=+3+%2Br%5B2%5D ALIGN=MIDDLE  ALT=\"r%5B1%5D+=+3+%2Br%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >  (Equation 1)\r<BR>\n" );
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document.write( "In the second scenario, we get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3r%5B1%5D+%2B+3r%5B2%5D+=+27 ALIGN=MIDDLE  ALT=\"3r%5B1%5D+%2B+3r%5B2%5D+=+27\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B1%5D+%2B+r%5B2%5D+=+9 ALIGN=MIDDLE  ALT=\"r%5B1%5D+%2B+r%5B2%5D+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" >   (Equation 2)\r<BR>\n" );
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document.write( "Substituting equation 1 into equation 2, we get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3+%2B+r%5B2%5D+%2B+r%5B2%5D+=+9 ALIGN=MIDDLE  ALT=\"3+%2B+r%5B2%5D+%2B+r%5B2%5D+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B2%5D+=+3 ALIGN=MIDDLE  ALT=\"r%5B2%5D+=+3\"   DISABLED_style= \"max-width:90%; height:auto;\" >kph.  Thus <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B1%5D+=+6 ALIGN=MIDDLE  ALT=\"r%5B1%5D+=+6\"   DISABLED_style= \"max-width:90%; height:auto;\" >kph. </SPAN>\n" );
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