statistics

In a class of 100 ,84% of the students have taken politics &16% of student have taken history.how many students have taken both subject of all the students take at least one of these subjects?

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asked by roma
  1. From your data, it looks like 84 took politics and 16 took history. There is no information to indicate how many took both.

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    posted by PsyDAG
  2. If all students take at least one of the subjects, then no one took both, because 84+16=100.

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    posted by MathMate

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