document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=328342>Question 328342</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A local warehouse-type store advertises that all its everyday prices are 60% off retail.  During a sale, they advertise that sale prices will be 70% off retail.  What percent discount is the store offering off its everyday price?\r<BR>\n" );
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document.write( "a.40% b.35%   c.30%   d.25%  e.10%<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #235197 by </B><A HREF=/tutors/aboutme.mpl?userid=jessica43><B>jessica43(140)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jessica43><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=235197\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The easiest way to understand this problem is to use real numbers.  Let's say that the retail price of an object is $20.<BR>\n" );
document.write( "So the local warehouse store offers 60% off retail:<BR>\n" );
document.write( "20(1-0.60)= 20(0.4) = 8<BR>\n" );
document.write( "So their everyday price for this object is $8.<BR>\n" );
document.write( "During the sale, the store offers 70% off retail:<BR>\n" );
document.write( "20(1-0.70) = 20(0.3) = 6<BR>\n" );
document.write( "So their sale price is $6.<BR>\n" );
document.write( "Now we want to find the percent discount the store is offering off its everyday price of $8.  We will use the same formula we have been using before:<BR>\n" );
document.write( "E(1-D)=S  (where E = everyday price, D = percent discount, S = sale price)<BR>\n" );
document.write( "8(1-D) = 6<BR>\n" );
document.write( "1-D = 0.75<BR>\n" );
document.write( "D = 0.25<BR>\n" );
document.write( "So the store is offering a 25% discount off its everday price (answer D). </SPAN>\n" );
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