document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=142641>Question 142641</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A university bookstore recently sold a wire bound graph-paper notebook for $2.50 and a college-ruled notebook for $2.30.  At the start of spring semester, a combination of 50 of these notebooks was sold for a total of $118.60.  How many of each type were sold? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #103818 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=103818\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2.3X+2.5(50-X)=118.60<BR>\n" );
document.write( "2.3X+125-2.5X=118.60<BR>\n" );
document.write( "-.2X=118.60-125<BR>\n" );
document.write( "-.2X=-6.4<BR>\n" );
document.write( "X=-6.4/-.2<BR>\n" );
document.write( "X=32 BOOKS SOLD FOR $2.30<BR>\n" );
document.write( "50-32=18 BOOKS SOLD FOR $2.50<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "2.3*32+2.5*18=118.60<BR>\n" );
document.write( "73.60+45=118.60<BR>\n" );
document.write( "118.60=118.60 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );