document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1044199>Question 1044199</A>: <I><SPAN STYLE=\"word-break: break-all;\">  An advertiser goes to a printer and is charged $30 for 50 copies of one flyer and $43 for 192 copies of another flyer. The printer charges a fixed setup cost plus a charge for every copy of single-page flyers. Find a function that describes the cost of a printing job, if x is the number of copies made. C(x)= </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #660186 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=660186\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> C(x)=cost for x copies; F=fixed setup cost; P=per copy charge<BR>\n" );
document.write( "x=number of copies<BR>\n" );
document.write( ".<BR>\n" );
document.write( "C(x)=F+Px<BR>\n" );
document.write( ".<BR>\n" );
document.write( "$30=F+(P*50)<BR>\n" );
document.write( "$30-50P=F<BR>\n" );
document.write( ".<BR>\n" );
document.write( "$43=F+(P*192)<BR>\n" );
document.write( "$43-192P=F<BR>\n" );
document.write( ".<BR>\n" );
document.write( "$30-50P=$43-192P<BR>\n" );
document.write( "142P=$13<BR>\n" );
document.write( "P=$0.0915<BR>\n" );
document.write( ".<BR>\n" );
document.write( "F=$30-50P<BR>\n" );
document.write( "F=$30-50($0.0915)<BR>\n" );
document.write( "F=$30-$4.575<BR>\n" );
document.write( "F=$25.425<BR>\n" );
document.write( ".<BR>\n" );
document.write( "CHECK:<BR>\n" );
document.write( "F=$43-192P<BR>\n" );
document.write( "F=$43-192($0.0915)<BR>\n" );
document.write( "F=$43-$17.568<BR>\n" );
document.write( "F=25.432<BR>\n" );
document.write( ".<BR>\n" );
document.write( "The setup cost is $25.43. The per copy cost is $0.0915<BR>\n" );
document.write( ".<BR>\n" );
document.write( "ANSWER:<BR>\n" );
document.write( "C(x)=$25.43+$0.0915x<BR>\n" );
document.write( ".<BR>\n" );
document.write( "CHECK 1:<BR>\n" );
document.write( ".<BR>\n" );
document.write( "C(x)=$25.43+$0.0915(x)<BR>\n" );
document.write( "$30=$25.43+0.$0.0915(50)<BR>\n" );
document.write( "$30=$25.43+$4.575<BR>\n" );
document.write( "$30=$30.005 (discrepancy from rounding)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "CHECK 2:<BR>\n" );
document.write( ".<BR>\n" );
document.write( "C(x)=$25.43+$0.0915(x)<BR>\n" );
document.write( "$43=$25.43+$0.0915(192)<BR>\n" );
document.write( "$43=$25.43+$17.568<BR>\n" );
document.write( "$43=$42.998 (discrepancy from rounding)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );