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Mathematics, 06.07.2019 21:00 mimi19374

Jamina drove for 2 hours at an average speed of 40km/h. she then drove for 3 hours at an average speed of 50km/h. what was her average speed for the whole journey?

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Jamina drove for 2 hours at an average speed of 40km/h. she then drove for 3 hours at an average spe...
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