A boat’s speed in still water is 15 km/h, and the stream’s speed is 3 km/h. What is the boat’s average speed for a round trip?
A boat’s speed in still water is 15 km/h, and the stream’s…
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in
Written by
in
A boat’s speed in still water is 15 km/h, and the stream’s speed is 3 km/h. What is the boat’s average speed for a round trip?
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