Question

From Port A, a steamer goes upstream and reaches port B in 5 hours. The same
distance is covered downstream in 4 hours. If the speed of the stream is 3 km/h,
find the speed of the steamer in still water.​

Answer 1

Answer:

The speed of the streamer in still water is 27 km/hr

Step-by-step explanation:

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Answer 2

Answer:

the speed of a steamer is 27 km/h

Step-by-step explanation:

Let the speed of steamer be x km/h

speed of boat in downstream=(x+3) km/h

speed of boat in upstream=( x-3) km/h

• distance travelled in downstream=( x+3)×4= 4x +12
• distance travelled in upstream=(x-3) ×5= 5x - 15

A/q,

4x +12= 5x -15

• 4x-5x = -15-12
• - x = -27
• x = 27 km/h

Hence,

the speed of a steamer in still water is 27 kilometre per hour