document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1126195>Question 1126195</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mary and Murray travel respectively at x and y km/h heading directly towards each other across a distance of 240km. If both start at 9 a.m. they will meet at noon. If Murray starts at 9 a.m. they and Mary starts at 10 a.m. they will meet soon at 12:30 p.m. Find (x,y). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #742520 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=742520\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> dd their speeds since they travel towards each other<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+240+=+%28+x+%2B+y+%29%2A3+ ALIGN=MIDDLE  ALT=\"+240+=+%28+x+%2B+y+%29%2A3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Next Murray gets a 1 hr head start. In 1 hr, he travels:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+=+y%2A1+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+y%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "Start counting time when Mary leaves<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+240+-+y+=+%28+x+%2B+y+%29%2A2.5+ ALIGN=MIDDLE  ALT=\"+240+-+y+=+%28+x+%2B+y+%29%2A2.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------------------------------<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+240+-+y+=+2.5x+%2B+2.5y+ ALIGN=MIDDLE  ALT=\"+240+-+y+=+2.5x+%2B+2.5y+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2.5x+%2B+3.5y+=+240+ ALIGN=MIDDLE  ALT=\"+2.5x+%2B+3.5y+=+240+\"   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=+x+%2B+y+=+80+ ALIGN=MIDDLE  ALT=\"+x+%2B+y+=+80+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2.5x+%2B+2.5y+=+200+ ALIGN=MIDDLE  ALT=\"+2.5x+%2B+2.5y+=+200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "subtract (1) from (2)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+40+ ALIGN=MIDDLE  ALT=\"+y+=+40+\"   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=+x+%2B+40+=+80+ ALIGN=MIDDLE  ALT=\"+x+%2B+40+=+80+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+40+ ALIGN=MIDDLE  ALT=\"+x+=+40+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "They both travel at 40 km/hr<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=+240+-+y+=+%28+x+%2B+y+%29%2A2.5+ ALIGN=MIDDLE  ALT=\"+240+-+y+=+%28+x+%2B+y+%29%2A2.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+240+-+40+=+%28+40+%2B+40+%29%2A2.5+ ALIGN=MIDDLE  ALT=\"+240+-+40+=+%28+40+%2B+40+%29%2A2.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+200+=+80%2A2.5+ ALIGN=MIDDLE  ALT=\"+200+=+80%2A2.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+200+=+200+ ALIGN=MIDDLE  ALT=\"+200+=+200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );