The boat, whose own speed is 8.4 km / h, covered 20.2 km / h along the river in 2 hours. Find the speed of the river.
| August 3, 2021 | education
To solve the problem, you need to know the speed of the boat downstream. The distance and time of movement are known from the condition.
1. Let’s find the speed with which the boat went along the river.
20.2 / 2 = 10.1 kilometers per hour.
2. Let’s calculate the speed of the current.
10.1 – 8.4 = 1.7 kilometers per hour.
Answer: 1.7 kilometers per hour.
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