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The number of students who take both the subjects math and chemistry is 30. This represents 10% of enrolment in math and 12% of enrolment in chemistry. How many students take at least one of these subjects? |
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Answer» The number of students who take both the subjects math and chemistry is 30. This represents 10% of enrolment in math and 12% of enrolment in chemistry. How many students take at least one of these subjects? |
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