document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=800317>Question 800317</A>: <I><SPAN STYLE=\"word-break: break-all;\"> at noon a plane left austin for lax, 2100 kms away at 500 km per hour.  an hour later a jet left lax for austin at 700 kms per hour.  at what time did they pass each other? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #483036 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=483036\">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=+500+%2A1+=+500+ ALIGN=MIDDLE  ALT=\"+500+%2A1+=+500+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km is the distance the Austin to LAX<BR>\n" );
document.write( "plane travels in the hour before the LAX to Austin takes off<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+ ALIGN=MIDDLE  ALT=\"+d+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the distance LAX to Austin travels until they meet<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Start a stopwatch when the LAX to Austin plane takes off<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the time in hours for them to pass each other<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Equation for Austin to LAX:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2100+-+d+-+500+=+500t+ ALIGN=MIDDLE  ALT=\"+2100+-+d+-+500+=+500t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Equation for LAX to Austin:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+700t++ ALIGN=MIDDLE  ALT=\"+d+=+700t++\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Substitute (2) into (1)<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2100+-+700t+-+500+=+500t+ ALIGN=MIDDLE  ALT=\"+2100+-+700t+-+500+=+500t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1200t+=+1600+ ALIGN=MIDDLE  ALT=\"+1200t+=+1600+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+1.333+ ALIGN=MIDDLE  ALT=\"+t+=+1.333+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "It was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+%2B+1+=+2.333+ ALIGN=MIDDLE  ALT=\"+t+%2B+1+=+2.333+\"   DISABLED_style= \"max-width:90%; height:auto;\" > earlier at noon <BR>\n" );
document.write( "when Austin top LAX took off<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.333%2A60+=+20+ ALIGN=MIDDLE  ALT=\"+.333%2A60+=+20+\"   DISABLED_style= \"max-width:90%; height:auto;\" > minutes<BR>\n" );
document.write( "12:00 + 2.333 = 2:20 PM when they passed each other<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+700t++ ALIGN=MIDDLE  ALT=\"+d+=+700t++\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+700%2A1.333+ ALIGN=MIDDLE  ALT=\"+d+=+700%2A1.333+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+933.333+ ALIGN=MIDDLE  ALT=\"+d+=+933.333+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2100+-+d+-+500+=+500%2A1.333+ ALIGN=MIDDLE  ALT=\"+2100+-+d+-+500+=+500%2A1.333+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1600+-+d+=+666.667+ ALIGN=MIDDLE  ALT=\"+1600+-+d+=+666.667+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+933.333+ ALIGN=MIDDLE  ALT=\"+d+=+933.333+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK\r<BR>\n" );
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document.write( "  </SPAN>\n" );
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