document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1004824>Question 1004824</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The number of students attending a leadership conference depends on the price charged. It is determined that 20 students will attend the conference if each is charged $75. For each $10 increase in price, 1 fewer student will attend. This situation is represented by the equation y=(75 + 10x)(20 - x). The cost of running the conference is represented by the equation y = 1000 + 75x. \r<BR>\n" );
document.write( "\n" );
document.write( "For each equation, identify what each variable represents. \r<BR>\n" );
document.write( "\n" );
document.write( "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 #621168 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=621168\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The main mistake is the use of y for two different quantities, not meaning the same thing being counted.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "(75+10x)(20-x) is revenue for x number of attendees.<BR>\n" );
document.write( "1000+75x is the conference cost for x number of attendees.<BR>\n" );
document.write( "y can be one of these or the other, but NOT both. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );