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Mathematics, 07.06.2021 01:00 LAMARTINEZ321

Simon drives 75 km at an average speed of 120 km/h and then 9 km at 70 km/h without stopping. What is the average speed for the whole journey to 1 dp?

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Simon drives 75 km at an average speed of 120 km/h and then 9 km at 70 km/h without stopping. What...
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