document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=464109>Question 464109</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A room has an area of 418 square feet. One dimension is 3 feet more than the other. Find the dimensions of the room.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #317894 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</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=317894\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "A room has an area of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=418ft%5E2 ALIGN=MIDDLE  ALT=\"A=418ft%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. \r<BR>\n" );
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document.write( "One dimension (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=length=L ALIGN=MIDDLE  ALT=\"length=L\"   DISABLED_style= \"max-width:90%; height:auto;\" >) is 3 feet more than the other (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=width=W ALIGN=MIDDLE  ALT=\"width=W\"   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=L=W%2B3ft ALIGN=MIDDLE  ALT=\"L=W%2B3ft\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Find the dimensions of the room.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=418ft%5E2 ALIGN=MIDDLE  ALT=\"A=418ft%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=L%2AW=418ft%5E2 ALIGN=MIDDLE  ALT=\"L%2AW=418ft%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >......substitute <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L ALIGN=MIDDLE  ALT=\"L\"   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=%28W%2B3ft%29%2AW=418ft%5E2 ALIGN=MIDDLE  ALT=\"%28W%2B3ft%29%2AW=418ft%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=W%5E2%2B3Wft=418ft%5E2 ALIGN=MIDDLE  ALT=\"W%5E2%2B3Wft=418ft%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=W%5E2%2B3Wft-418ft%5E2=0 ALIGN=MIDDLE  ALT=\"W%5E2%2B3Wft-418ft%5E2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >..use quadratic formula\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"W=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%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=W=+%28-3ft+%2B-+sqrt%28+%283ft%29%5E2-4%2A1%2A%28418ft%5E2%29+%29%29%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"W=+%28-3ft+%2B-+sqrt%28+%283ft%29%5E2-4%2A1%2A%28418ft%5E2%29+%29%29%2F%282%2A1%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=W=+%28-3ft+%2B-+sqrt%28+9ft%5E2%2B1672ft%5E2+%29%29%2F2+ ALIGN=MIDDLE  ALT=\"W=+%28-3ft+%2B-+sqrt%28+9ft%5E2%2B1672ft%5E2+%29%29%2F2+\"   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=W=+%28-3ft+%2B-+sqrt%28+1681ft%5E2+%29%29%2F2+ ALIGN=MIDDLE  ALT=\"W=+%28-3ft+%2B-+sqrt%28+1681ft%5E2+%29%29%2F2+\"   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=W=+%28-3ft+%2B-+41ft+%29%2F2+ ALIGN=MIDDLE  ALT=\"W=+%28-3ft+%2B-+41ft+%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "we need only positive root because width cannot be negative\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W=+%28-3ft+%2B+41ft+%29%2F2+ ALIGN=MIDDLE  ALT=\"W=+%28-3ft+%2B+41ft+%29%2F2+\"   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=W=+%2838ft+%29%2F2+ ALIGN=MIDDLE  ALT=\"W=+%2838ft+%29%2F2+\"   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=W=+19ft+ ALIGN=MIDDLE  ALT=\"W=+19ft+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "now find the length\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=W%2B3ft ALIGN=MIDDLE  ALT=\"L=W%2B3ft\"   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=L=19ft%2B3ft ALIGN=MIDDLE  ALT=\"L=19ft%2B3ft\"   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=L=22ft ALIGN=MIDDLE  ALT=\"L=22ft\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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