Joaquin drove from New Haven to Putnam, CT during rush hour at an average speed of 60 miles per hour, and then drove back the same way at an average speed of 40 miles per hour.
If the round trip took 3 hour and 45 minutes, how many miles is Joaquin's one-way trip from Putnam, CT to New Haven?
If the answer is not an integer, enter it as an exact decimal.
miles