Question
An airplane flew 7900 km from Country B to Country C at a speed of 790 km/h. It then covered 16800 km from Country C to Country D at a speed of 840 km/h. Find the time taken for the whole journey.
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An airplane flew 7900 km from Country B to Country C at a speed of 790 km/h. It then covered 16800 km from Country C to Country D at a speed of 840 km/h. Find the time taken for the whole journey.