Math, asked by Anonymous, 9 months ago

a steamer goes downstream and covers the distance between two ports in four hours while it covers the same distance upstream in five hours. if the speed of the stream is 2 km/h, find the speed of the streamer in still water?
[detailed answer]

Answers

Answered by sachingupta197980
0

Answer:

I don't know what you want to know I answers in 1 hour

Answered by KManas92
1

Answer:

18 km/h

Step-by-step explanation:

Let speed of steamer in still water be x km/h.

Speed of stream = 2 km/h.

Total distance = d km.

Downstream:

Speed = x + 2 km/h

time taken = 4 hours

d = s * t

d = (x + 2) * 4

d = 4x + 8 .......(1)

Upstream:

Speed = x - 2 km/h

time taken = 5 hours

d = s * t

d = (x - 2) * 5

d = 5x - 10 .......(2)

From (1) and (2),

4x + 8 = 5x - 10

x = 18 km/h

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