The taxi driver
Imagine you are a taxi driver and you are driving a 1978 yellow cab. Your passengers are an older couple, and they want to travel 6 miles. You are driving at 40 miles per hour with the tank one-third full, when, 2 miles into the trip, the tank is down to one-quarter full. Ten minutes later, the trip is over. What is the name and age of the cab driver?
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At the beginning of the puzzle, it says that you are the cab driver. Therefore, the answer is your name and age.