Question

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Answer 1

Answer:

Let velocity of the streamer be Vs

Let distance between the 2 towns be d

Velocity of water = 4 km/h

∴, velocity of streamer downstream = $$V_s+4$

Velocity of the streamer upstream = Vs−4

Velocity downstream=Vs+4=20d(1) 

Velocity upstream=Vs−4=25d(2) 

Subtracting (2) from (1), we get 

8=20d−25d⇒8=5d(41−51)⇒40=20d⇒d=800km

Hence, distance between the 2 towns = 800 km.

Step-by-step explanation:

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Answer 2

Answer:

here's your answer.....

800km