document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=540895>Question 540895</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Regression equation:<BR>\n" );
document.write( "P = 0.15x - 28 ( values given in thousands)<BR>\n" );
document.write( "Profit = $150x - $28,000 <BR>\n" );
document.write( "If profit must equal $100,000, how many items need to be sold<BR>\n" );
document.write( "I don't know how to put this in a formula format.  I appreciate any help you can give in since algebra is new to me.  Thank you so much for being there when needed.  You are a godsend.  Thank you! Thank you!!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #353939 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=353939\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if you are dealing in thousands, then the formula is:<BR>\n" );
document.write( "P = .15x - 28<BR>\n" );
document.write( "profit must be equal to 100.<BR>\n" );
document.write( "set P = to 100 in the formula to get:<BR>\n" );
document.write( "100 = .15x - 28<BR>\n" );
document.write( "add 28 to both sides of the eqution to get:<BR>\n" );
document.write( "128 = .15x<BR>\n" );
document.write( "divide both sides of the equation by .15 to get:<BR>\n" );
document.write( "x = 853.333333333<BR>\n" );
document.write( "that's how many items need to be sold to break even.<BR>\n" );
document.write( "853.33333333 * .15 - 28 = 100<BR>\n" );
document.write( "since you can't sell part of an item, then you need to sell 854 items.<BR>\n" );
document.write( "854 * .15 - 28 = 100.1 (you made a profit).<BR>\n" );
document.write( "853 * .15 - 28 = 99.95 ( you didn't make a profit).<BR>\n" );
document.write( "whether you deal in thousand or in units, you'll get the same answer.<BR>\n" );
document.write( "100,000 = 150*x - 2,8000<BR>\n" );
document.write( "add 28000 to both sides of the equation to get:<BR>\n" );
document.write( "128,000 = 150*x<BR>\n" );
document.write( "divide both sides of the equation by 150 to get:<BR>\n" );
document.write( "x = 853.33333333<BR>\n" );
document.write( " </SPAN>\n" );
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