document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=795458>Question 795458</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A small rectangular vineyard is to have an overall dimension of 100 feet by 200 feet. Surrounding the vineyard there will be a grassy border of uniform width. The total area of the vineyard and the grassy area is 21525 square feet.\r<BR>\n" );
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document.write( "Write an equation for total area in terms of the width of the grassy area x:\r<BR>\n" );
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document.write( "A(x)=\r<BR>\n" );
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document.write( "If the total area is 21525 square feet, determine the width of the grassy area. The width of the grassy area is ________ feet. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #481012 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=481012\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Area of just the vineyard, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100%2A200=20000 ALIGN=MIDDLE  ALT=\"100%2A200=20000\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ft%5E2 ALIGN=MIDDLE  ALT=\"ft%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Area of the grassy border AND vineyard combined, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282x%2B100%29%282x%2B200%29=21525 ALIGN=MIDDLE  ALT=\"%282x%2B100%29%282x%2B200%29=21525\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Algebra steps:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%5E2%2B400x%2B200x%2B20000=21525 ALIGN=MIDDLE  ALT=\"4x%5E2%2B400x%2B200x%2B20000=21525\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%5E2%2B600x=1525 ALIGN=MIDDLE  ALT=\"4x%5E2%2B600x=1525\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%284x%5E2%2B600x-1525=0%29 ALIGN=MIDDLE  ALT=\"highlight%284x%5E2%2B600x-1525=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Use the general solution to quadratic formula to solve for x, unless you can find a way to factor the quadratic expression.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-600%2Bsqrt%28600%5E2-4%2A4%28-1525%29%29%29%2F%282%2A4%29 ALIGN=MIDDLE  ALT=\"x=%28-600%2Bsqrt%28600%5E2-4%2A4%28-1525%29%29%29%2F%282%2A4%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=%28-600%2Bsqrt%28360000%2B16%2A1525%29%29%2F8 ALIGN=MIDDLE  ALT=\"x=%28-600%2Bsqrt%28360000%2B16%2A1525%29%29%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-600%2Bsqrt%28384400%29%29%2F8 ALIGN=MIDDLE  ALT=\"x=%28-600%2Bsqrt%28384400%29%29%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-600%2B620%29%2F8 ALIGN=MIDDLE  ALT=\"x=%28-600%2B620%29%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=20%2F8=10%2F4=5%2F2 ALIGN=MIDDLE  ALT=\"x=20%2F8=10%2F4=5%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=2%261%2F2%29 ALIGN=MIDDLE  ALT=\"highlight%28x=2%261%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > feet. </SPAN>\n" );
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