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?

Math  Probabilities  luna, Tuesday, October 20, 2015 at 8:15pm
23
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