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Mathematics, 23.07.2020 01:01 jadens25
A blue plane, a red plane and a white plane are waiting to take off from an airport that has two runways. Planes must take off from the airport one at a time, but can take off from either runway. In how many ways can the three takeoffs be scheduled? (One such way is the blue plane on runway A, followed by the red plane on runway B, followed by the white plane on runway B.)
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