.Determine the pass percentage given the following conditions?

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Determine the pass percentage

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I want to ask is this question incorrect because the data given to us says $80$% of the students passed in maths and how $29$% of the students failed in both?

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You seem to be correct. Maybe your teacher failed in mathematics?

A necessary condition for the well-posedness of this question is

$P(\text{passing maths}) + P(\text{failing math and english}) \leq 100\%$