document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1128578>Question 1128578</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi! I have a problem that my professor wants me to solve by completing the square. The problem says: \r<BR>\n" );
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document.write( "A train travels 300 miles at a uniform speed. If its speed had been 15 miles per hour less, the trip would have taken 1 hour and 40 minutes more. Find the actual speed of the train.\r<BR>\n" );
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document.write( "I tried setting it up like this: (x/300)-([x-15]/300)=1.667 \r<BR>\n" );
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document.write( "Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #745068 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=745068\">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( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=300%2F%28r-15%29-300%2Fr=1%262%2F3 ALIGN=MIDDLE  ALT=\"300%2F%28r-15%29-300%2Fr=1%262%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F3 ALIGN=MIDDLE  ALT=\"5%2F3\"   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=3r%28r-15%29%28300%2F%28r-15%29-300%2Fr%29=3r%28r-15%29%285%2F3%29 ALIGN=MIDDLE  ALT=\"3r%28r-15%29%28300%2F%28r-15%29-300%2Fr%29=3r%28r-15%29%285%2F3%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=180%2A15=r%5E2-15r ALIGN=MIDDLE  ALT=\"180%2A15=r%5E2-15r\"   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%5E2-15r=2700 ALIGN=MIDDLE  ALT=\"r%5E2-15r=2700\"   DISABLED_style= \"max-width:90%; height:auto;\" >------------from here, if your instructions are to use Completing the Square, the term to use is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2815%2F2%29%5E2 ALIGN=MIDDLE  ALT=\"%2815%2F2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, to add to both sides.<BR>\n" );
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document.write( "(  answer:   r=60  ) </SPAN>\n" );
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