document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=107543>Question 107543</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/013133798x/algebrahomeworkh>algebra 2 with trigonometry</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A limited of a book published by a historical society was offered for sale to its members. The cost was one book for $12 or 2 books for $20. The society sold 880 books, and the total amount of money taken in was $9840. How many members ordered 2 books?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #78419 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=78419\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x=\"members ordering 2 books\", so 2x=\"$10 books\" (2 for $20) and 880-2x=\"$12 books\"\r<BR>\n" );
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document.write( "10(2x)+12(880-2x)=9840 </SPAN>\n" );
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