document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1107231>Question 1107231</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A salesman drives from Ajax to Barrington, a distance of 133 mi, at a steady speed. He then increases his speed by 14 mi/h to drive the 168 mi from Barrington to Collins. If the second leg of his trip took 7 min more time than the first leg, how fast was he driving between Ajax and Barrington? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #722238 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=722238\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  *********************************\r<BR>\n" );
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document.write( "                 SPEED       TIME            DISTANCE\r\n" );
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document.write( "A to B            r          133/r            133\r\n" );
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document.write( "B to C           r+14        168/(r+14)       168\r\n" );
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document.write( "DIFFERENCE                    7/60\r\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28168%2F%28r%2B14%29-133%2Fr=7%2F60%29 ALIGN=MIDDLE  ALT=\"highlight_green%28168%2F%28r%2B14%29-133%2Fr=7%2F60%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplify and solve this equation.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24%2F%28r%2B14%29-19%2Fr=1%2F60 ALIGN=MIDDLE  ALT=\"24%2F%28r%2B14%29-19%2Fr=1%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24r-19%28r%2B14%29=%28r%5E2%2B14r%29%2F60 ALIGN=MIDDLE  ALT=\"24r-19%28r%2B14%29=%28r%5E2%2B14r%29%2F60\"   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=24%2A60r-19%2A60%28r%2B14%29=r%5E2%2B14r ALIGN=MIDDLE  ALT=\"24%2A60r-19%2A60%28r%2B14%29=r%5E2%2B14r\"   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=1440r-1140r-15960=r%5E2%2B14r ALIGN=MIDDLE  ALT=\"1440r-1140r-15960=r%5E2%2B14r\"   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=300r-15960=r%5E2%2B14r ALIGN=MIDDLE  ALT=\"300r-15960=r%5E2%2B14r\"   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=r%5E2-286r%2B15960=0 ALIGN=MIDDLE  ALT=\"r%5E2-286r%2B15960=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "discriminant,...  17956<BR>\n" );
document.write( "discriminant, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=17956=134%5E2 ALIGN=MIDDLE  ALT=\"17956=134%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">(286^2-4*15960=81796-63840=17956)</PRE>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=%28286%2B-+134%29%2F2 ALIGN=MIDDLE  ALT=\"r=%28286%2B-+134%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "first part of trip:    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28highlight%28r=76%29%2C+OR%2C+highlight%28r=210%29%29 ALIGN=MIDDLE  ALT=\"system%28highlight%28r=76%29%2C+OR%2C+highlight%28r=210%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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