document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=144777>Question 144777</A>: <I><SPAN STYLE=\"word-break: break-all;\"> These word problems are killing me today. The value:v(in dollars per acre) of a wheat crop (d) days after planting is given by v=6d-.05d^2 for 20<d<80.Find the maximum value for an acre of wheat and find how many days after it was planted will it take to achieve this maximum value? I really need help. These word problems are killing me.<BR>\n" );
document.write( "Kyle </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #105498 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=105498\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> v=6d-.05d^2 for d=20 <BR>\n" );
document.write( "v=6*20+.05*20^2<BR>\n" );
document.write( "v=120+.05*400<BR>\n" );
document.write( "v=120+20<BR>\n" );
document.write( "v=140 dollars per acre after 20 days. </SPAN>\n" );
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