document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1084360>Question 1084360</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a trader marked his goods at 20% above the cost price if he allows his customer a 10% discount find his profit percent  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #698461 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=698461\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let c be the cost.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "he marks it up 20%.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "let m be the marked up price.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "m = c + .20 * c = 1.2 * c\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "he discounts it 10% off the marked up price.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "let d be the discount price.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "d = m - .10 * m = .9 * m\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "since m = 1.2 * c, replace m with 1.2 * c and you get the discounted price as:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "d = .9 * (1.2 * c)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "simplify to get d = 1.08 * 1.2 * c = 1.08 * c\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "he is selling at 8% above cost.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "his profit margin is therefore 8%.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "for example:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "assume the cost is 100 dollars.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "he marks it up 20% so the marked up price is 120 dollars.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "he discount it 10% off the market up price, so he sells it at 90% of 120 dollars which is equal to 108 dollars.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "his cost was 100 dollars.<BR>\n" );
document.write( "his discount price was 108 dollars.<BR>\n" );
document.write( "his profit is 8 dollars which is 8% more than his cost.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );