Question
An airplane flew 7800 km from Country R to Country S at a speed of 780 km/h. It then covered 13680 km from Country S to Country T at a speed of 760 km/h. Find the time taken for the whole journey.
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An airplane flew 7800 km from Country R to Country S at a speed of 780 km/h. It then covered 13680 km from Country S to Country T at a speed of 760 km/h. Find the time taken for the whole journey.