Question
An airplane flew 7800 km from Country Q to Country R at a speed of 780 km/h. It then covered 16600 km from Country R to Country S at a speed of 830 km/h. Find the time taken for the whole journey.
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An airplane flew 7800 km from Country Q to Country R at a speed of 780 km/h. It then covered 16600 km from Country R to Country S at a speed of 830 km/h. Find the time taken for the whole journey.