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MATH / In a class of 30 students, exactly 7 have been to Mexico and exactly 11 have been to England. Of these 30 students, 4 have been to both Mexico and England. How many students in thi… · Discussion

Discussing In a class of 30 students, exactly 7 have been to Mexico and exactly 11 have been to England. Of these 30 students, 4 have been to both Mexico and England. How many students in thi… · MATH

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