document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=553978>Question 553978</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A university bookstore recently sold a wirebound graph-paper notebook for $1.64, and a college-ruled notebook for $1.17. At the start of spring semester, a combination of 50 of these notebooks were sold for a total of $66.02. 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 #361152 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=361152\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A university bookstore recently sold a wirebound graph-paper notebook for $1.64, and a college-ruled notebook for $1.17. At the start of spring semester, a combination of 50 of these notebooks were sold for a total of $66.02. How many of each type were sold?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let x=number of $1.64 notebooks sold<BR>\n" );
document.write( "let (50-x)=number of $1.17 notebooks sold<BR>\n" );
document.write( "..<BR>\n" );
document.write( "1.64x+1.17(50-x)=66.02<BR>\n" );
document.write( "1.64x+58.50-1.17x=66.02<BR>\n" );
document.write( ".47x=7.52<BR>\n" );
document.write( "x=16<BR>\n" );
document.write( "50-x=34<BR>\n" );
document.write( "ans:<BR>\n" );
document.write( "number of $1.64 notebooks sold=16<BR>\n" );
document.write( "number of $1.17 notebooks sold=34 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );