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Question

$$300$$ students took an exam. $$28\%$$ failed. Calculate the number of students who passed the exam.

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Solution

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Total number of students $$= 300$$
Failed $$= 28\%$$
Total failed $$= 28\%$$ of $$300$$
$$= \dfrac{28}{100} \times 300 = 84$$
Number of students passed $$= 300 - 84 = 216$$

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