document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=775347>Question 775347</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a t.v is marked 25% above the cost price.in order to gain 10% what should be the percentage of discount allowed on it? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #472788 by </B><A HREF=/tutors/aboutme.mpl?userid=fcabanski><B>fcabanski(1391)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fcabanski><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=472788\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This will be easier if you pick a number for c.  Pick a simple number c=100.<P><BR>\n" );
document.write( "If the cost was 100, then a 25% (.25) profit comes from 125.  That's 100(1+.25).<P><BR>\n" );
document.write( "10% profit comes from 110.<BR>\n" );
document.write( "125(1+x)=110 where x is the discount number we seek.<P><BR>\n" );
document.write( "125 + 125x = 110<P><BR>\n" );
document.write( "125x=-15<P><BR>\n" );
document.write( "x = -15/125 = -.12.  We need a 12% discount on the $125 TV in order to obtain $110, which is a $10 profit.  125*(1-.12) = 110<BR>\n" );
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