document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1149559>Question 1149559</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Monica left Montreal driving at 30 km/h.  Wendy left 2 h later and traveled the same road at 40 km/h.  At what distance from Montreal will Wendy overtake Monica?\r<BR>\n" );
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document.write( "use linear systems (substitution, elimination) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #770894 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=770894\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "let distance be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d ALIGN=MIDDLE  ALT=\"+d\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " Monica’s  speed is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30+%28km%2Fh%29 ALIGN=MIDDLE  ALT=\"30+%28km%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Wendy’s speed is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40+%28km%2Fh%29 ALIGN=MIDDLE  ALT=\"40+%28km%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " Monica’s time <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D ALIGN=MIDDLE  ALT=\"t%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Wendy’s time <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B2%5D ALIGN=MIDDLE  ALT=\"t%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Time difference between Monica and Wendy meeting  is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2 ALIGN=MIDDLE  ALT=\"2\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs, so \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D-t%5B2%5D=2 ALIGN=MIDDLE  ALT=\"t%5B1%5D-t%5B2%5D=2\"   DISABLED_style= \"max-width:90%; height:auto;\" >............eq.1\r<BR>\n" );
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document.write( "and, since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d=st ALIGN=MIDDLE  ALT=\"+d=st\"   DISABLED_style= \"max-width:90%; height:auto;\" >=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=d%2Fs ALIGN=MIDDLE  ALT=\"t=d%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D-t%5B2%5D=d%2Fs%5B1%5D-d%2Fs%5B2%5D ALIGN=MIDDLE  ALT=\"t%5B1%5D-t%5B2%5D=d%2Fs%5B1%5D-d%2Fs%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >...plug in given speed\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D-t%5B2%5D=d%2F30-d%2F40 ALIGN=MIDDLE  ALT=\"t%5B1%5D-t%5B2%5D=d%2F30-d%2F40\"   DISABLED_style= \"max-width:90%; height:auto;\" >.........eq.2 ...substitute in eq.1\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F30+-+d%2F40+=+2 ALIGN=MIDDLE  ALT=\"d%2F30+-+d%2F40+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4d%2F120+-+3d%2F120+=+2 ALIGN=MIDDLE  ALT=\"4d%2F120+-+3d%2F120+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F120+=+2 ALIGN=MIDDLE  ALT=\"d%2F120+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+240 ALIGN=MIDDLE  ALT=\"d+=+240\"   DISABLED_style= \"max-width:90%; height:auto;\" > km\r<BR>\n" );
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document.write( " </SPAN>\n" );
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