document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1078727>Question 1078727</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Each orange tree grown in California produces 630 oranges per year if not more than 20 trees are planted per acre. For each additional tree planted per acre, the yield per tree decreases by 15 oranges. How many trees per acre should be planted to obtain the greatest number of oranges?<BR>\n" );
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document.write( "To achieve a maximum yield of 16695 oranges per acre, plant 31 trees on each acre.<BR>\n" );
document.write( "I got this answer, however 16695 is incorrect please help me get the right answer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #693101 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=693101\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=each additional tree.<BR>\n" );
document.write( "(630-15x)(20+x) is the equation.<BR>\n" );
document.write( "Maximize 12600+330x-15x^2=0<BR>\n" );
document.write( "The vertex is -b/2a=-330/-30=11 for x<BR>\n" );
document.write( "31 trees, 465 oranges per tree (630-(15*11))<BR>\n" );
document.write( "14415<BR>\n" );
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