A person derives a vehicle for 3 hours at 50 km/h
How fast must the train travel the next 90 km so as
to average 60 km/h for the entire trip ?
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Explanation:
A person derives a vehicle for 3 hours at 50 km/h
How fast must the train travel the next 90 km so as
to average 60 km/h for the entire trip ?
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