brain liested question
Answers
Speed of the stream = 3km/h
Let the speed of the boat be x km/h
Upstream:
Speed = (x - 3) km/h
Distance = Speed x Time
Distance = 8(x - 3) km
Downstream:
Speed = (x + 3) km/h
Distance = Speed x Time
Distance = 6(x + 3) km
Solve x:
Given that the distance upstream and downstream is the same
8(x - 3) = 6(x + 3)
8x - 24 = 6x + 18
2x = 42
x = 21 km/h
Find the distance:
Distance = 6(x + 3) km
Distance = 6( 21 + 3) = 144 km
Answer: The distance is 144 km and the speed of the boat is 21 km/h
Answer:
Speed of the stream = 3km/h
Let the speed of the boat be x km/h
Upstream:
Speed = (x - 3) km/h
Distance = Speed x Time
Distance = 8(x - 3) km
Downstream:
Speed = (x + 3) km/h
Distance = Speed x Time
Distance = 6(x + 3) km
Solve x:
Given that the distance upstream and downstream is the same
8(x - 3) = 6(x + 3)
8x - 24 = 6x + 18
2x = 42
x = 21 km/h
Find the distance:
Distance = 6(x + 3) km
Distance = 6( 21 + 3) = 144 km
Answer: The distance is 144 km and the speed of the boat is 21 km/hM
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