document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1072060>Question 1072060</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Three student teams collected 65 books for the school library. The first team collected 10 fewer books than the second team and the third team collected 30% of the number of books collected by first and second teams together. How many books did each team collect? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #687034 by </B><A HREF=/tutors/aboutme.mpl?userid=Mini-><B>Mini-(17)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mini-><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=Mini-><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=687034\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let: X + Y + Z = 65<BR>\n" );
document.write( "     X = Y - 10<BR>\n" );
document.write( "     Z = 0.30 * ( X + Y )<BR>\n" );
document.write( "Then:<BR>\n" );
document.write( "Z = 0.3 * ( (Y - 10) + Y )<BR>\n" );
document.write( "Z = 0.3 * ( 2*Y - 10 ) = 0.6*Y - 3<BR>\n" );
document.write( "(Y - 10) + Y + 0.6*Y - 3 = 65<BR>\n" );
document.write( "2.6*Y - 13 = 65<BR>\n" );
document.write( "2.6*Y = 78\r<BR>\n" );
document.write( "\n" );
document.write( "Y = 78 / 2.6 = 30<BR>\n" );
document.write( "X = Y - 10 = 20<BR>\n" );
document.write( "Z = 0.3 * 50 = 15<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );