Mathematics, 28.05.2021 16:20 22emilyl530
in a survey it was found that it is people drink at least one of the three drinks coffee milk tea and black tea among them 40% of the people drink only two drinks 15% in all three drinks and 54 people drink only one drink find the number of the people participated in the survey
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in a survey it was found that it is people drink at least one of the three drinks coffee milk tea an...
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