Mathematics, 21.01.2022 08:30 erictallen2005

A car travels for 18km in a city at a certain speed. Outside the city it travels 72km at twice its former speed. If the total travelling time is 1h 8min , find the average speed in the city

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A car travels for 18km in a city at a certain speed. Outside the city it travels 72km at twice its f...

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