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Two jetties are 24 km apart. A boat goes downstream from one to the other in 2 hours and returns in 3 hours. How far would a floating leaf drift in 3 hours?

Competition practiceBoats & Streams
  • A6 km
  • B4 km
  • C2 km
  • D12 km

Step-by-Step Solution

Downstream 12, upstream 8 km/h, so the stream = 2 km/h. The leaf drifts km.
Answer: A) 6 km

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