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4034. The number of trucks passing along the highway on 2019

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Description

4034. The number of trucks passing along the highway on which the gas station stands is one of the cars passing along the same highway as 3: 2. It is known that on average one out of 30 trucks and 2 out of 45 cars drive up to a gas station for refueling. What is the probability that a car driving up to a gas station will refuel?

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Additional information

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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