Mathematics, 07.11.2021 09:50, lilGi0

because of strong headwinds, an airplane’s ground speed for the first half of a 2000 km trip average only 600 km/h. what must it’s ground speed be for the rest of the trip if it is to average 720 km/h for the entire trip?

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because of strong headwinds, an airplane’s ground speed for the first half of a 2000 km trip average...