Mathematics, 10.06.2020 06:57 bellamore
A car travelled the first 20 km of it's journey at a speed of 40km/h. It then travelled the remaining 60km at a speed of 80km/h. Find the average speed of the car in km/h
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A car travelled the first 20 km of it's journey at a speed of 40km/h. It then travelled the remainin...
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