document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=188335>Question 188335</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Lisa sold 50% of her books, gave away 60% of those that were left, and then had 8 books left. How many books did he have to begin with? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #141218 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=141218\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x be the original amount of books<BR>\n" );
document.write( ":<BR>\n" );
document.write( "x-.5x-.6(.5x)=8<BR>\n" );
document.write( ":<BR>\n" );
document.write( "x-.5x-.3x=8<BR>\n" );
document.write( ":<BR>\n" );
document.write( ".2x=8<BR>\n" );
document.write( ":<BR>\n" );
document.write( "x=40 books </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );