document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=21456>Question 21456</A>: <I><SPAN STYLE=\"word-break: break-all;\"> THE LENGTH OF A RECTANGULAR FIELD IS 20 FT LESS THAN TWICE ITS WIDTH.  ITS AREA IS 6000 SQ FT.  FIND THE LENGTH AND WIDTH.\r<BR>\n" );
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document.write( "I KNOW AREA=L TIMES W<BR>\n" );
document.write( "BUT I CANT QUITE FIGURE OUT HOW TO SET IT UP.<BR>\n" );
document.write( "LENGTH  2W-20=6000 ??????????<BR>\n" );
document.write( "THANKS! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #10341 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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=10341\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (x)(2x-20)=6000<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2-20x=6000 ALIGN=MIDDLE  ALT=\"2x%5E2-20x=6000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2-20x-6000=0 ALIGN=MIDDLE  ALT=\"2x%5E2-20x-6000=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Use quadratic formula:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a=2, b=-20, c=-6000<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-%28-20%29+%2B-+sqrt%28+%28-20%29%5E2-4%282%29%28-6000%29+%29%29%2F%282%282%29%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-%28-20%29+%2B-+sqrt%28+%28-20%29%5E2-4%282%29%28-6000%29+%29%29%2F%282%282%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%2820%29+%2B-+sqrt%28+400%2B48000+%29%29%2F%284%29 ALIGN=MIDDLE  ALT=\"x+=+%2820%29+%2B-+sqrt%28+400%2B48000+%29%29%2F%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > (divide by four)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%2820%29+%2B-+sqrt%28+48400+%29%29%2F4+ ALIGN=MIDDLE  ALT=\"x+=+%2820%29+%2B-+sqrt%28+48400+%29%29%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (divide by four)<BR>\n" );
document.write( "Add (don't subtract): <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=240%2F4 ALIGN=MIDDLE  ALT=\"x=240%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=60<BR>\n" );
document.write( "2(60)-20=100<BR>\n" );
document.write( "hence the width is 60ft and the length is 100ft.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );