document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=901507>Question 901507</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A square vegetable garden is to be tilled and then enclosed with a fence. If the fence costs $4.00 per foot and the cost of preparing the soil is $0.80 per ft^2, determine the size of the garden that can be enclosed for $640.00.\r<BR>\n" );
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document.write( "________ ft^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #546761 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</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=546761\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x be the side length of the square garden.\r<BR>\n" );
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document.write( "Perimeter is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x ALIGN=MIDDLE  ALT=\"4x\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Area is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2 ALIGN=MIDDLE  ALT=\"x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Fence cost, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%2A4=16x ALIGN=MIDDLE  ALT=\"4x%2A4=16x\"   DISABLED_style= \"max-width:90%; height:auto;\" > dollars<BR>\n" );
document.write( "Soil preparation cost, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2%29%280.80%29 ALIGN=MIDDLE  ALT=\"%28x%5E2%29%280.80%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > dollars\r<BR>\n" );
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document.write( "Total cost wanted is $640;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.8x%5E2%2B16x=640 ALIGN=MIDDLE  ALT=\"0.8x%5E2%2B16x=640\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Possible simplification:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x%5E2%2B20x-800=0%29 ALIGN=MIDDLE  ALT=\"highlight%28x%5E2%2B20x-800=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Using this equation, first find discriminant:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%5E2%2B4%2A800=400%2B3200=3600=%286%2A10%29%5E2=60%5E2 ALIGN=MIDDLE  ALT=\"20%5E2%2B4%2A800=400%2B3200=3600=%286%2A10%29%5E2=60%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Discriminant is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60%5E2 ALIGN=MIDDLE  ALT=\"60%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=x=%28-20%2Bsqrt%2860%5E2%29%29%2F2 ALIGN=MIDDLE  ALT=\"x=%28-20%2Bsqrt%2860%5E2%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-20%2B60%29%2F2 ALIGN=MIDDLE  ALT=\"x=%28-20%2B60%29%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=20%29 ALIGN=MIDDLE  ALT=\"highlight%28x=20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(The quadratic equation is factorable, and that could be done if desired).\r<BR>\n" );
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document.write( "ANSWER CONCLUSION:  Garden side length, 20 feet, and area 400 square feet. </SPAN>\n" );
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