Easy!
I’ll mark as ✨brainliest✨
Very easy.
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Answer:
21,900 planes annually
Step-by-step explanation:
set up a ratio, # planes / time
150 = x
6 hrs 24 hrs
cross-multiply: 6x = 3600
x = 600; meaning 600 planes per day
multiply 600 by 365 days
21,900 planes over 365 days