document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=450558>Question 450558</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Lydia bought a stack of magazines to resell for profit.  She sold half of them on Tuesday.  She sold 10 on Wednesday.  She sold half of what was left on Thursday.  On Friday she sold the remaining 8 magazines.  How many magazines did she begin with?\r<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 #309885 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=309885\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Lydia bought a stack of magazines to resell for profit. She sold half of them on Tuesday. She sold 10 on Wednesday. She sold half of what was left on Thursday. On Friday she sold the remaining 8 magazines. How many magazines did she begin with? <BR>\n" );
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document.write( "Let original number be \"x\".<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "(1/2)[x - (1/2)x-10] = 8<BR>\n" );
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document.write( "16 = (1/2)x-10<BR>\n" );
document.write( "(1/2)x = 26<BR>\n" );
document.write( "x = 52<BR>\n" );
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document.write( "Checking:<BR>\n" );
document.write( "(1/2)[52-26-10) = 8<BR>\n" );
document.write( "16 = 16<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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