David average driving speed for 5 hours journey was 55ah during his first two hours of journey within 60 km per hour and last two hours he drove at 50 km per hour what was his speed for the fifth hour of the journey?
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350 km/ hr
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Step-by-step explanation:
A person drives a journey for 5 hours in 55 km/h. In the first two hours, he drove 60 km/hr, and in last two hours, he drove at 50 km/h. What was the speed of the fifth hour of his
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