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