document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1053392>Question 1053392</A>: <I><SPAN STYLE=\"word-break: break-all;\">   	<BR>\n" );
document.write( "Luke Manufacturing estimates that its profit P(in hundreds of dollars) after producing x thousand units can be expressed as p(x)=-5x^2+50x+3. How many units must be produced to obtain a profit of $12,800? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #668654 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=668654\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> p(x)=-5x^2+50x+3.<BR>\n" );
document.write( "128 = -5x^2+50x+3<BR>\n" );
document.write( "5x^2 - 50x + 125 = 0<BR>\n" );
document.write( "x^2 - 10x + 25 = 0<BR>\n" );
document.write( "(x-5)(x-5) = 0<BR>\n" );
document.write( "x = 5<BR>\n" );
document.write( "5000 units must be produced to obtain a profit of $12,800 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );