Question
An airplane flew 6400 km from Country G to Country H at a speed of 800 km/h. It then covered 14760 km from Country H to Country J at a speed of 820 km/h. Find the time taken for the whole journey.
2 m

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An airplane flew 6400 km from Country G to Country H at a speed of 800 km/h. It then covered 14760 km from Country H to Country J at a speed of 820 km/h. Find the time taken for the whole journey.