document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1203836>Question 1203836</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given the following sets:<BR>\n" );
document.write( "U = {2, 4, 5, 6, 9, 10, 12, 16} A = {4, 5, 10, 12}<BR>\n" );
document.write( "B = {2, 4, 9, 12, 16}<BR>\n" );
document.write( "Find:<BR>\n" );
document.write( "n (A U B)<BR>\n" );
document.write( "Do not list the elements.\r<BR>\n" );
document.write( "\n" );
document.write( "(I'm very confused on this problem here) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #839690 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=839690\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "U = {2, 4, 5, 6, 9, 10, 12, 16} <BR>\n" );
document.write( "A = {4, 5, 10, 12}<BR>\n" );
document.write( "B = {2, 4, 9, 12, 16}\r<BR>\n" );
document.write( "\n" );
document.write( "Find:\r<BR>\n" );
document.write( "\n" );
document.write( "n (A U B)\r<BR>\n" );
document.write( "\n" );
document.write( "Do not list the elements.\r<BR>\n" );
document.write( "\n" );
document.write( "A = {4, 5, 10, 12} => n(A)=4\r<BR>\n" );
document.write( "\n" );
document.write( "B = {2, 4, 9, 12, 16} => n(B)=5\r<BR>\n" );
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document.write( "since we have two elements in both sets, we will count them ones in union, so \r<BR>\n" );
document.write( "\n" );
document.write( "n (A U B)=7\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );