document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1209555>Question 1209555</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Victoria goes to a store and buys an item that costs xx dollars. She has a coupon for 40% off, and then a 5% tax is added to the discounted price. Write an expression in terms of xx that represents the total amount that Victoria paid at the register. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #849417 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=849417\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "It is a very bad practice in algebra to use \"xx\" as a \"variable\" to represent a number.  \"xx\" in algebra means x times x.<br><BR>\n" );
document.write( "So let's use just \"x\" to represent the original price.<br><BR>\n" );
document.write( "(1) Get 40% off --> the price gets multiplied by (100-40) = 60%, or 0.6.<br><BR>\n" );
document.write( "(2) 5% tax is added to the discounted price --> the discounted price gets multiplied by (100+5) = 105%, or 1.05.<br><BR>\n" );
document.write( "The amount that Victoria paid:<br><BR>\n" );
document.write( "(x)(0.6)(1.05) = 0.63x<br><BR>\n" );
document.write( "ANSWER: 0.63x<br><BR>\n" );
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