document.write( "Question 1206206: A survey was conducted at a local ballroom dance studio asking students what dances they competed in at the most recent competition. Below are the results for the dances Waltz,Bachata, and Mambo:\r
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\n" ); document.write( "a) How many students competed in Waltz, Bachata, or Mambo?\r
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\n" ); document.write( "\n" ); document.write( "b) How many students competed in Bachata & Mambo, but not Waltz?\r
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\n" ); document.write( "\n" ); document.write( "c) How many students competed in Waltz or Mambo, but not Bachata?\r
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\n" ); document.write( "\n" ); document.write( "d) How many students competed in Waltz & Bachata or competed in Bachata & Mambo?\r
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\n" ); document.write( "\n" ); document.write( "e) How many students competed in none of these three dances?
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Algebra.Com's Answer #843481 by ikleyn(52781)\"\" \"About 
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