Question
There were 37 pupils in a class. 27 of them got an A in a History test. 29 of them got an A in a Social Studies test. Every pupil got at least an A in the History test or Social Studies test. How many of them got an A in both the History and Social Studies tests?
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There were 37 pupils in a class. 27 of them got an A in a History test. 29 of them got an A in a Social Studies test. Every pupil got at least an A in the History test or Social Studies test. How many of them got an A in both the History and Social Studies tests?