Question: Let A, B, C be three sets. A represents the total number of students in a class who likes coffee = 25. B represents

Let A, B, C be three sets. A represents the total number of students in a class who likes coffee = 25. B represents the total number of students who likes tea = 20 and 5 students like both tea and coffee. Find the number of students who likes only tea or only coffee.

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