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11-02-2021
Mathematics

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An airplane flying at an altitude of 12000 feet begins ascending at a rate of 900 per minute. At this rate, how many minutes will it take for the airplane to reach an altitude of 30,000 feet?

Respuesta :

11-02-2021

Answer: 20 minutes

Step-by-step explanation:

30000= 900x+12000

18000=900x

20=x

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