SOLUTION: 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-ch

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Question 394583: 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.
a. How many knew only the merengue
b How many knew only the cha-cha
c. How many knew exactly one of the three dances
d. Haow many knew the merengue and the salsa, but not the cha-chah
e. How many knew none of these dances
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Make a 3 circle venn diagram to understand this.
a. 15
b. 7
c. 31
d. 16
e. 13
.
Ed