Mathematics, 20.03.2020 04:16, MalikaJones

Safety regulations require that the time between airplane takeoffs (on the same runway) will be at least 2 minutes. When taking off, the run time of an airplane on the runway is 39 seconds. Planes are on average waiting 5 minutes and 21 seconds for take-off. On average there are 19 planes taking off per hour. How many planes are either on the runway or waiting to take off? (Round your answer to 2 decimal places.)

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Safety regulations require that the time between airplane takeoffs (on the same runway) will be at l...