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fiasKO [112]
3 years ago
13

An examination. 30% of the candidates

Mathematics
1 answer:
Viefleur [7K]3 years ago
7 0

Answer: D

Step-by-step explanation:

If 30% failed then (100-30)% passed

That is 70%

let x be the number of students that wrote the exam

(70/100)x=210

x=21000/70

x=300

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