Question
An airplane flew 8500 km from Country R to Country S at a speed of 850 km/h. It then covered 7200 km from Country S to Country T at a speed of 800 km/h. Find the time taken for the whole journey.
2 m

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An airplane flew 8500 km from Country R to Country S at a speed of 850 km/h. It then covered 7200 km from Country S to Country T at a speed of 800 km/h. Find the time taken for the whole journey.