Aman once had to go by bicycle twelve miles to the railroad station to catch a train. he
thought: 'i have an hour and a half to catch the train. four miles is uphill, four miles are
downhill, and four miles is level road. i can go uphill at 4 miles per hour, downhill at 12
miles per hour, and i can go 8 miles per hour on level road. this is an average of 8 miles per
hour, so i'll get there in time.' was his reasoning correct? why or why not?

no he can not. The four miles are uphill and that takes one hour the miles up are 20 minutes and that can't give him enough time to go the last 4 miles.

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the answer is c

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