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 Class 8 Mathematics revision: Speed, time and distance questions and answers

During a competition, Kamau took 1hour to cycle from town E to town F at an average speed of 18km/h. He cycled back to town E at an average speed of 9km/h.
What was his average speed in km/h for the round trip?
A. 12
B. 27
C. 13.5
D. 18

 (3m 11s)
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