document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1131716>Question 1131716</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Show all work as you solve the following problems and write complete answers, including appropriate units.\r<BR>\n" );
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document.write( "  Mark left school and traveled toward his cabin on the lake.  Imani left school one hour later traveling 9 mph faster in an effort to catch up to him.  After four hours Imani finally caught up.  Find Mark's average speed </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #748429 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=748429\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "         SPEED          TIME       DISTANCE\r\n" );
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document.write( "Mark        r           4+1=5        d\r\n" );
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document.write( "Imani       r+9           4          d\r\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%285r=d%2C4%28r%2B9%29=d%29 ALIGN=MIDDLE  ALT=\"system%285r=d%2C4%28r%2B9%29=d%29\"   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=5r=4%28r%2B9%29 ALIGN=MIDDLE  ALT=\"5r=4%28r%2B9%29\"   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=5r=4r%2B36 ALIGN=MIDDLE  ALT=\"5r=4r%2B36\"   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=5r-4r=4r%2B36-4r ALIGN=MIDDLE  ALT=\"5r-4r=4r%2B36-4r\"   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=highlight%28r=36%29 ALIGN=MIDDLE  ALT=\"highlight%28r=36%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------------Marks speed </SPAN>\n" );
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