SOLUTION: In a class of 25 students, 18 students enjoy mathematics and 22 students enjoy music. If every student in the class enjoys at least one of these, how many students in the class enj

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Question 289843: In a class of 25 students, 18 students enjoy mathematics and 22 students enjoy music. If every student in the class enjoys at least one of these, how many students in the class enjoy both?
(A) 3 (B) 7 (C) 15 (D) 20 (E) None of these
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
18+22-25=15
(C) 15