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

In a relay race Obongo ran 600m, which is#frac{2}{5}# of the race, in 3 minutes. Kyalo took 5 minutes to complete the rest of the race. What was the average speed for the whole race in m/s?
A. 3
B. 3#frac{1}{8}#
C. 3#frac{1}{6}#
D. 3#frac{1}{3}#

 (7m 16s)
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