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2 years ago

Will give brainliest

Mathematics

1 answer:

Reika [66]2 years ago

4 0

Answer:

30 hrs

Step-by-step explanation:

Downstream. In water, the direction along the stream is called downstream.

Upstream. In water, the direction against the stream is called upstream. Let the speed of a boat in still water be u km/hr and the speed of the stream be v km/hr, then. Speed downstream = (u + v) km/hr. Speed upstream = (u - v) km/hr

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Step-by-step explanation:

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3 years ago

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