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July 30, 2014

Homework Help: Math - Probabilities

Posted by Sarah on Monday, March 11, 2013 at 2:37pm.

There are a total of 116 foreign language students in a high school where they offer Spanish, French, and German. There are 22 students who take at least 2 languages at once. If there are 47 Spanish students, 45 French students, and 49 German students, how many students take all three languages at once?

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