Mathematics, 22.03.2021 23:40, danielahchf
In a city, 25% of the people are poor, 60% are middle class, and 15% are rich. What is the probability of randomly choosing a rich or poor person from this city?
Answers: 2
Mathematics, 21.06.2019 22:30, aliviafrancois2000
Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.
Answers: 2
In a city, 25% of the people are poor, 60% are middle class, and 15% are rich. What is the
probabil...
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