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Time, Speed, and Distance: Boats and Streams

Time, Speed, and Distance: Boats and Streams

MediumAptitude0% accepted

Solve time-speed-distance problems involving boats and streams, average speed for round trips, and the concept of relative speed. A boat goes 30 km upstream in 6 hours and 30 km downstream in 3 hours. Find boat speed and stream speed.

Approach

Solve boat and stream problems using upstream/downstream speed relations.

Input

30km upstream in 6h, 30km downstream in 3h

Output

Upstream=5 km/h, Downstream=10 km/h; Boat=7.5 km/h, Stream=2.5 km/h

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