document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=394583>Question 394583</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a survey of 100 dancers, 53 knew the salsa, 68 knew the merengue, and 47 knew the cha cha. Of these, 41 knew the meringue and the salsa dances , 28 knew the salsa and the cha-cha,and 37 knew the merengue and cha-cha. Twenty five dancers knew all three dances. \r<BR>\n" );
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document.write( "a. How many knew only the merengue<BR>\n" );
document.write( "b How many knew only the cha-cha<BR>\n" );
document.write( "c. How many knew exactly one of the three dances<BR>\n" );
document.write( "d. Haow many knew the merengue and the salsa, but not the cha-chah<BR>\n" );
document.write( "e. How many knew none of these dances </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #279958 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=279958\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Make a 3 circle venn diagram to understand this.<BR>\n" );
document.write( "a. 15<BR>\n" );
document.write( "b. 7<BR>\n" );
document.write( "c. 31<BR>\n" );
document.write( "d. 16<BR>\n" );
document.write( "e. 13<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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