Solve the problem.A plane climbs from an altitude of 6000 ft to a cruising altitude of 39,000 ft. The plane ascends at a rate of 6600 ft/min. How long will it take to reach cruising altitude?
A. 5 min
B. 6 min
C. 0.2 min
D. 217,800,000 min
Answer: A
Mathematics
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