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Mathematics, 09.01.2022 14:00 lennyatme

a An athlete completes a marathon (42.2 km) at a pace of 3 min per kilometre. What was her speed (in kilometres per minute)? If the world record for the marathon is 2 hours 3 minutes and 23 seconds, what pace (minutes per kilometre) must an athlete achieve in order to break the world record?

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a An athlete completes a marathon (42.2 km) at a pace of 3 min per kilometre. What was her speed (in...

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