In high-school 135 freshmen were interviewed. Thirty five of them took PE, 42 took BIO, 60 took ENG, 10 took PE and BIO, 15 took PE and ENG, 7 took BIO and ENG, 5 took all three subjects. a How many students took none of the three subjects
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Home » Mathematics » In high-school 135 freshmen were interviewed. Thirty five of them took PE, 42 took BIO, 60 took ENG, 10 took PE and BIO, 15 took PE and ENG, 7 took BIO and ENG, 5 took all three subjects. a How many students took none of the three subjects