In a group of 70 people,60 like swimming,50 like wrestling. How many like both swimming and wrestling?  Pick: A) 30 B) 35 C) 40 D) 45 E) 50
Make a Venn diagram, and enter your data.   Let the number of people who like both swimming and wrestling be x   60-x+x+50-x = 70   x = 40   so number who like both swimming and wrestling = 40   Answer 40
<result>C</result>
In a group of 70 people,60 like swimming,50 like wrestling. How many like both swimming and wrestling?