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A marathon runner completes a race in 3 hours and 15 minutes. What is his average speed in km/h if the marathon distance is 42 km? (2022)

Practice Questions

1 question
Q1
A marathon runner completes a race in 3 hours and 15 minutes. What is his average speed in km/h if the marathon distance is 42 km? (2022)
  1. 12.5 km/h
  2. 13 km/h
  3. 14 km/h
  4. 15 km/h

Questions & Step-by-step Solutions

1 item
Q
Q: A marathon runner completes a race in 3 hours and 15 minutes. What is his average speed in km/h if the marathon distance is 42 km? (2022)
Solution: Total time in hours = 3 + 15/60 = 3.25 hours. Average speed = Distance/Time = 42 km / 3.25 h = 12.92 km/h, which rounds to 13 km/h.
Steps: 0

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