document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1139728>Question 1139728</A>: <I><SPAN STYLE=\"word-break: break-all;\"> When driving the 9 hour trip home, Sharon drove 420 miles on the interstate and 135 miles on country roads. Her speed on the interstate was 25 more than on country roads. What was her speed, in miles per hour, on country roads?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #760232 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=760232\">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" );
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document.write( "INTERSTATE           r+25     420/(r+25)      420\r\n" );
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document.write( "COUNTRY              r         135/r          135\r\n" );
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document.write( "Total                            9\r\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=420%2F%28r%2B25%29%2B135%2Fr=9 ALIGN=MIDDLE  ALT=\"420%2F%28r%2B25%29%2B135%2Fr=9\"   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=140%2F%28r%2B25%29%2B45%2Fr=3 ALIGN=MIDDLE  ALT=\"140%2F%28r%2B25%29%2B45%2Fr=3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( ".\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3r%5E2-110r-1125=0 ALIGN=MIDDLE  ALT=\"3r%5E2-110r-1125=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "discriminant is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=160%5E2 ALIGN=MIDDLE  ALT=\"160%5E2\"   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=%28110%2B160%29%2F6 ALIGN=MIDDLE  ALT=\"r=%28110%2B160%29%2F6\"   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=270%2F6 ALIGN=MIDDLE  ALT=\"r=270%2F6\"   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=45%29 ALIGN=MIDDLE  ALT=\"highlight%28r=45%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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