Question

A streamer goes down stream and covers a the distance between 2 ports in 5 hours, while it covers the same distance up stream in 6 hour.
If the speed of stream is 1 km/hr find the speed of the streamer in still water.​

Answer 1

Answer:

let the speed of the steamer in still water be x km/h.then

Step-by-step explanation:

the speed downstream = (x+1) km/h

the speed upstream = ( x-1) km/h

the distance covered in 5 hrs while going downstream= 5(x+1) km

the distance covered in 6hrs while going upstream= 6(x-1) km

now.,

5(x+1)=6(x-1)

5x+5=6x-6

6x-5x=-6-5

-x=-11

x = 11 km/h

speed of steamer in still water=11km/h...

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