Question
An airplane flew 7700 km from Country N to Country P at a speed of 700 km/h. It then covered 4100 km from Country P to Country Q 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 N to Country P at a speed of 700 km/h. It then covered 4100 km from Country P to Country Q at a speed of 820 km/h. Find the time taken for the whole journey.