document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=198482>Question 198482</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My head is spinning I really don't know this please show how thank you so much.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Set K contains 50 elements, set J contains 66 elements, and 14 elements are common to both sets. Find n (K U J). \r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149007 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=149007\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Set K contains 50 elements, set J contains 66 elements, and 14 elements are common to both sets. Find n (K U J). \r<BR>\n" );
document.write( "\n" );
document.write( "--------------------<BR>\n" );
document.write( "Draw two intersecting circles.<BR>\n" );
document.write( "Label them K and J.<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Put \"14\" in the intersection because 14 elements are common to both sets.<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "Then the rest of K must have 50-14 = 36 elements.<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "And the rest of J must have 66-14 = 52 elements.<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "So the total number of elements is 52 + 14 + 36 = 102<BR>\n" );
document.write( "======================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );