Mathematics, 21.03.2021 06:50 jasonoliva13

In a Mathematics test, ⅕ of the students scored grade A, ⅙ of the students scored grade B and ⅕ of the remainder of students got grade C. The rest of the students either had grade D or have failed. If the number of students who failed the test was half the number of those who scored grade D, and the number of students who scored grade C is 57, what is the number of students who took the test?

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In a Mathematics test, ⅕ of the students scored grade A, ⅙ of the students scored grade B and ⅕ of t...

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