Mathematics, 28.07.2020 21:01 silvijaaa

The ninth-grade class has 93 students. Each student takes a current events class, a foreign language class, or both a current events class and a foreign language class. There are 70 ninth-graders taking a current events class, and there are 54 ninth-graders taking a foreign language class. How many ninth-graders take only a current events class and not a foreign language class?

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