Question
An airplane flew 7700 km from Country C to Country D at a speed of 770 km/h. It then covered 11200 km from Country D to Country E at a speed of 800 km/h. Find the time taken for the whole journey.
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An airplane flew 7700 km from Country C to Country D at a speed of 770 km/h. It then covered 11200 km from Country D to Country E at a speed of 800 km/h. Find the time taken for the whole journey.