Roselyn is driving to visit her family, which live 150 kilometres away. Her average speed is 60 kilometres per hour. The car's tank has 20 liters of fuel at the beginning of the drive, and its fuel efficiency is 6 kilometres per liter. Fuel costs 0.60 dollars per liter.
How long can Roselyn drive before she runs out of fuel?
_____Hours untill she runs out of fuel
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