nikkyroda nikkyroda

06-09-2020
Mathematics

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In a survey of 100 students it was found that 60 read economics , 70 read mathematics, 50 read statistics , 27 read mathematics and statistics , 25 read stastics and economics and 35 read mathematics and economics and 4 read none . how many students read all there subjects

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Аноним Аноним

06-09-2020

Answer:

answer is 3

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hibro78 hibro78

22-09-2020

Answer:

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