SOLUTION: There 25 students in a classroom.16 students participate in a chess competition,18students participate in swimming competition and 3 students refuse to join in any competition.how
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Question 978421: There 25 students in a classroom.16 students participate in a chess competition,18students participate in swimming competition and 3 students refuse to join in any competition.how many students participate in both chess and swimming competition? Answer by richwmiller(17219) (Show Source):
