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Mathematics, 23.10.2019 02:30 heyyyyy3922

An airplane flies for 3.5 hours with a constant speed of 840 km/h and then for another 3 hours 19 minutes with a constant speed of 680 km/h. what distance did it go?

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An airplane flies for 3.5 hours with a constant speed of 840 km/h and then for another 3 hours 19 mi...
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