document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=733965>Question 733965</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Twenty minutes after Melissa’s older sister left home for<BR>\n" );
document.write( "band practice, Melissa saw that she had forgotten her sheet<BR>\n" );
document.write( "music, and ran after her. If Melissa runs three times as fast<BR>\n" );
document.write( "as her older sister, how long will it take to reach her?\r<BR>\n" );
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document.write( "There is a similar question already posted, but I do not understand the solution.  The posted questions is: \r<BR>\n" );
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document.write( "Ten minutes after Sasha’s little brother left home for karate<BR>\n" );
document.write( "class, Sasha saw that he had forgotten his karate uniform,<BR>\n" );
document.write( "and she ran after him. If Sasha runs twice as fast as her little<BR>\n" );
document.write( "brother, how long will it take her to reach him?\r<BR>\n" );
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document.write( "Can you help me to understand the posted solution? I need to be able to completly understand this problem so I can explain it to others.\r<BR>\n" );
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document.write( "THANKS!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #448666 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=448666\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+ ALIGN=MIDDLE  ALT=\"+s+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = older sister's speed in mi/hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3s+ ALIGN=MIDDLE  ALT=\"+3s+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = Melissa's speed in mi/hr<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20+ ALIGN=MIDDLE  ALT=\"+20+\"   DISABLED_style= \"max-width:90%; height:auto;\" > min = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F3+ ALIGN=MIDDLE  ALT=\"+1%2F3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "older sister's head start is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s%2A%281%2F3%29+ ALIGN=MIDDLE  ALT=\"+s%2A%281%2F3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<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;\" > = distance Melissa has to travel to catch sister<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;\" > = time to catch her<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Sister's equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+-+%281%2F3%29%2As+=+s%2At+ ALIGN=MIDDLE  ALT=\"+d+-+%281%2F3%29%2As+=+s%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Melissa's equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+3s%2At+ ALIGN=MIDDLE  ALT=\"+d+=+3s%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s%2At+%2B+%281%2F3%29%2As+=+3s%2At+ ALIGN=MIDDLE  ALT=\"+s%2At+%2B+%281%2F3%29%2As+=+3s%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2s%2At+=+s%2F3+ ALIGN=MIDDLE  ALT=\"+2s%2At+=+s%2F3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+1%2F6+ ALIGN=MIDDLE  ALT=\"+t+=+1%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+1%2F6%29%2A60+=+10+ ALIGN=MIDDLE  ALT=\"+%28+1%2F6%29%2A60+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "She catches her in 10 minutes<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "(2)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10+ ALIGN=MIDDLE  ALT=\"+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" > min = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F6+ ALIGN=MIDDLE  ALT=\"+1%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+ ALIGN=MIDDLE  ALT=\"+s+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = little brother's speed in mi/hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2s+ ALIGN=MIDDLE  ALT=\"+2s+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = Sasha's speed in mi/hr<BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "Little brother's head start is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%281%2F6%29%2As+ ALIGN=MIDDLE  ALT=\"+%281%2F6%29%2As+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><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;\" > = distance in mi Sasha has to travel to catch him<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;\" > = time in hrs to catch him<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Little brother's equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+-+%281%2F6%29%2As+=+s%2At+ ALIGN=MIDDLE  ALT=\"+d+-+%281%2F6%29%2As+=+s%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Sasha's equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+2s%2At+ ALIGN=MIDDLE  ALT=\"+d+=+2s%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s%2At+%2B+%281%2F6%29%2As+=+2s%2At+ ALIGN=MIDDLE  ALT=\"+s%2At+%2B+%281%2F6%29%2As+=+2s%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s%2At+=+%281%2F6%29%2As+ ALIGN=MIDDLE  ALT=\"+s%2At+=+%281%2F6%29%2As+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+1%2F6+ ALIGN=MIDDLE  ALT=\"+t+=+1%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%281%2F6%29%2A60+=+10+ ALIGN=MIDDLE  ALT=\"+%281%2F6%29%2A60+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "She catches him in 10 minutes<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Note that I put in familiar units, but any<BR>\n" );
document.write( "units for distance could be used\r<BR>\n" );
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document.write( " </SPAN>\n" );
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