document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1164120>Question 1164120</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A survey of 539 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night.  It found:\r<BR>\n" );
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document.write( "173 watched TV<BR>\n" );
document.write( "176 hung out with friends<BR>\n" );
document.write( "27 watched TV and ate pizza, but did not hang out with friends<BR>\n" );
document.write( "41 watched TV and hung out with friends, but did not eat pizza<BR>\n" );
document.write( "26 hung out with friends and ate pizza, but did not watch TV<BR>\n" );
document.write( "39 watched TV, hung out with friends, and ate pizza<BR>\n" );
document.write( "73 did not do any of these three activities<BR>\n" );
document.write( "How may 18-24 year olds (of these three activities) only ate pizza last Friday night? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #788402 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13209)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=788402\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "(1) 173 watched TV<BR>\n" );
document.write( "(2) 176 hung out with friends<BR>\n" );
document.write( "(3) 27 watched TV and ate pizza, but did not hang out with friends<BR>\n" );
document.write( "(4) 41 watched TV and hung out with friends, but did not eat pizza<BR>\n" );
document.write( "(5) 26 hung out with friends and ate pizza, but did not watch TV<BR>\n" );
document.write( "(6) 39 watched TV, hung out with friends, and ate pizza<BR>\n" );
document.write( "(7) 73 did not do any of these three activities<br><BR>\n" );
document.write( "Draw a Venn diagram of three mutually intersecting circles, one for each activity.<br><BR>\n" );
document.write( "Fill in the information (3) to (6).<br><BR>\n" );
document.write( "Use diagram along with (1) and (2) to find the numbers that only watched TV or that only hung out with friends.<br><BR>\n" );
document.write( "Use all the numbers in the diagram, along with (7) and the total number of 539, to find the number that only ate pizza.<br><BR>\n" );
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