Math, asked by mohammednur035, 1 year ago

A boat goes 30km upstream and 44km downstream in 10 hours. In 13 hour it can go 40km upstream and 55km downstream. Determine the speed of the stream and that of the boat in still water

Answers

Answered by SulagnaRoutray

Ur answer is in the picture.
The equation is solved in the 2nd picture.

HOPE IT HELPS

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Answered by ronalshoey

Let speed of boat in still water be x km/h and speed of stream be y km/h.

Speed upstream= (x - y) km/h

Speed downstream= (x + y) km/h

On subtracting, we get,

On solving, we get,

Speed of boat in still water = 8 km/h

And, Speed of stream = 3 km/h

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