SOLUTION: Among a set of 40 sophomores, 20 students take french and 27 students take spanish. If all of the students take either french or spanish, how many students take both french and spa

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Question 909886: Among a set of 40 sophomores, 20 students take french and 27 students take spanish. If all of the students take either french or spanish, how many students take both french and spanish?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
47-40 = 7 take both
13 french only, 20 Spanish only and 7 both (sum = 40)