document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=742520>Question 742520</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if n(A)=7, n(B)=15, and n(A&#8745;B)=5; what is n(AUB)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #452540 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</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=452540\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Consider the formula <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%28+AUB%29 ALIGN=MIDDLE  ALT=\"n%28+AUB%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%28A%29 ALIGN=MIDDLE  ALT=\"n%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%28+B%29 ALIGN=MIDDLE  ALT=\"n%28+B%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > - n(A &#8745; B)\r<BR>\n" );
document.write( "\n" );
document.write( "if n(A)=7, n(B)=15, and n(A&#8745;B)=5; what is n(AUB), then\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%28+AUB%29+=+7+%2B+15+-+5 ALIGN=MIDDLE  ALT=\"n%28+AUB%29+=+7+%2B+15+-+5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%28+AUB%29+=+17+ ALIGN=MIDDLE  ALT=\"n%28+AUB%29+=+17+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );