document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1027402>Question 1027402</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a new elementary algebra textbook sells for $85 and a used elementary algebra textbook sells for $65. How many new textbooks are sold if the receipts for 125 new and used textbooks is $9805? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #642625 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=642625\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Call the numbers of new and old textbooks, x and y.<BR>\n" );
document.write( "Then the setup looks like this...<BR>\n" );
document.write( "x + y = 125 and the value equation is<BR>\n" );
document.write( "85x + 65y = 9805<BR>\n" );
document.write( "Now multiply the top one by 85 and subtract...we get<BR>\n" );
document.write( "85x + 65y = 9805<BR>\n" );
document.write( "-(85x + 85y = 10625)<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "-20y = -820<BR>\n" );
document.write( "Now divide by -20 and get<BR>\n" );
document.write( "y = 41 old textbooks and so<BR>\n" );
document.write( "x = 84 new textbooks<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );