melindachintoh116 melindachintoh116

06-01-2023
Mathematics

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Kimberley is taking part in a race. For the first 160 m she runs at 4 m/s. The remaining 420 m of the race takes her 120 seconds. What is Kimberley's average speed, in m/s, over the whole race? If your answer is a decimal, give it to 2 d.p.

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