steamer goes downstream and covers the distance between two parts in 4 hours will it cover the same distance upstream in 5 hours if you speed of the stream is 12km/hr find the speed of the stream is will still water cheak your solution
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as he streamer goes down stream
therefore , x+y
for upstream = it is x-y
total time taken to go upstream and down stream = 4+5 =9hrs
speed = distance / time
speed x time =- distance
x+y + x-y * 9 = distance
2x * 9 = 12
x = 12/9 * 2
= 0.66 km/hr
= 66m/hr
Step-by-step explanation:
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