Question
An airplane flew 7700 km from Country E to Country F at a speed of 770 km/h. It then covered 8200 km from Country F to Country G at a speed of 820 km/h. Find the time taken for the whole journey.
2 m

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An airplane flew 7700 km from Country E to Country F at a speed of 770 km/h. It then covered 8200 km from Country F to Country G at a speed of 820 km/h. Find the time taken for the whole journey.