The speed of the boat in still water is 2.3 km / h, and the speed of the river flow is 1.8 km / year.
| April 20, 2021 | education
The speed of the boat in still water is 2.3 km / h, and the speed of the river flow is 1.8 km / year. What is the speed of the boat against the current of the river.
In order to determine the speed of the boat against the current of the river, it is necessary to subtract the speed of the river flow from the boat’s own speed in still water.
In this case, we get:
2.3 – 1.8 = 0.5 km / h.
To find out the speed of the boat along the river, add the speed of the river to the speed of the boat in still water.
Will be:
2.3 + 1.8 = 4.1 km / h.
Answer: Upstream 0.5 km / h, downstream 4.1 km / h.
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