document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=104908>Question 104908</A>: <I><SPAN STYLE=\"word-break: break-all;\"> mary and sue are 30 miles apart. if they leave at the same time andride in the same direction, mary overtakes sue in 6 hours. if they ride towards each other they pass each other in 1 hour. what are their speeds? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #76349 by </B><A HREF=/tutors/aboutme.mpl?userid=HyperBrain><B>HyperBrain(694)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=HyperBrain><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=76349\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'm not a great tutor here. Ican't show you any drawing. So, draw as I say:\r<BR>\n" );
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document.write( "Draw that Mary and Sue are apart. Mark that their 30 miles away form each other.(no need to be scaled).\r<BR>\n" );
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document.write( "If you overtake, this means that you reach the same point where  the other object/person is.\r<BR>\n" );
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document.write( "Let x= speed of Mary<BR>\n" );
document.write( "____y= speed of Sue\r<BR>\n" );
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document.write( "Come to think of this fact: it is MARY who overtook. This means that Mary MUSt be FASTER than Sue!\r<BR>\n" );
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document.write( "After 6 hrs, they're at the same point. And take note: Sue is already ahead by 30 miles when they started. So,\r<BR>\n" );
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document.write( "_______________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6x=6y%2B30 ALIGN=MIDDLE  ALT=\"6x=6y%2B30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "_______________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6x%2F6=%286y%2B30%29%2F%286%29 ALIGN=MIDDLE  ALT=\"6x%2F6=%286y%2B30%29%2F%286%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "________________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=y%2B5 ALIGN=MIDDLE  ALT=\"x=y%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now let's INVESTIGATE the second case: Mary and Sue heading toward each other.\r<BR>\n" );
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document.write( "They met in i hr. At that instant, the sum of the distance they had traveled is 30 miles.<BR>\n" );
document.write( "So,\r<BR>\n" );
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document.write( "______________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By=30 ALIGN=MIDDLE  ALT=\"x%2By=30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "But,<BR>\n" );
document.write( "________________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=y%2B5 ALIGN=MIDDLE  ALT=\"x=y%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Thus,<BR>\n" );
document.write( "_______________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%2B5%29%2By=30 ALIGN=MIDDLE  ALT=\"%28y%2B5%29%2By=30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "__________________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2y%2B5=30 ALIGN=MIDDLE  ALT=\"2y%2B5=30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "____________________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2y=25 ALIGN=MIDDLE  ALT=\"2y=25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "_____________________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=12.5 ALIGN=MIDDLE  ALT=\"y=12.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Again,<BR>\n" );
document.write( "________________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=y%2B5 ALIGN=MIDDLE  ALT=\"x=y%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then,<BR>\n" );
document.write( "________________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=12.5%2B5 ALIGN=MIDDLE  ALT=\"x=12.5%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "________________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=17.5 ALIGN=MIDDLE  ALT=\"x=17.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Therefore, Mary travels at a speed of 17.5 mph while Sue travels at the speed of  <BR>\n" );
document.write( "12.5 mph!\r<BR>\n" );
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document.write( "Power up,<BR>\n" );
document.write( "HyperBrain!<BR>\n" );
document.write( " </SPAN>\n" );
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