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If the average speed going to town is 40km/hr, and return at an average speed of 60 km/hr. what is the average speed? why is it not 50 km/hr
Is the answer 30? because he goes 40 km/hr for 1 1/2 hours. etc.
Is the answer 30? because he goes 40 km/hr for 1 1/2 hours. etc.