document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=918925>Question 918925</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I worked this math problem but it says I am wrong, what did I do and what is the correct answer?<BR>\n" );
document.write( "Rite-Cut riding lawnmowers obey the demand equation p= -1/20x+1,030. The cost of producing x lawnmowers is given by the function C(x)= 150x+3,000. <BR>\n" );
document.write( "Express the profit p as a function of x. Simplify but do not factor answer. <BR>\n" );
document.write( "I got the answer -1/20x^2+880x-3,000<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #557320 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=557320\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  demand = p = -1/20x+1,030.<BR>\n" );
document.write( "R(x) = px = (-1/20)x^2 + 1030x<BR>\n" );
document.write( "P(x) = R(x) - C(x)<BR>\n" );
document.write( "P(x) = (-1/20)x^2 + 1030x - (150x + 3000)<BR>\n" );
document.write( "P(x) = (-1/20)x^2 + 880x - 3000 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );