document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=416598>Question 416598</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you solve this problem????\r<BR>\n" );
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document.write( "A square vegetable garden is to be tilled and then enclosed with a fence. If the fence costs $1 per foot and the cost of preparing the soil is $0.50 per ft2 , determine the size of the garden that can be enclosed for $120.\r<BR>\n" );
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document.write( "i have a answer but i can't really follow this question...:((<BR>\n" );
document.write( "could you explain it in details? :))<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 #291862 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=291862\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> length of side of garden x ft.\r<BR>\n" );
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document.write( "perimeter = 4x<BR>\n" );
document.write( "cost of fencing = 1*4x= 4x<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Area = x*x = x^2<BR>\n" );
document.write( "preparing ground = 0.5* x*x= 0.5x^2<BR>\n" );
document.write( "...<BR>\n" );
document.write( "0.5x^2+4x=120<BR>\n" );
document.write( "multiply by 10<BR>\n" );
document.write( "5x^2+40x-1200=0<BR>\n" );
document.write( "/5<BR>\n" );
document.write( "x^2+8x-240=0<BR>\n" );
document.write( "x^2+20x-12x-240=0<BR>\n" );
document.write( "x(x+20)-12(x+20)=0<BR>\n" );
document.write( "(x+20)(x-12)=0<BR>\n" );
document.write( "x= 12 which is positive.\r<BR>\n" );
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document.write( "The garden is 12 by 12 ft. </SPAN>\n" );
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