
Respuesta :
Answer:
6.5 minutes
Step-by-step explanation:
Given :
β 10 seconds to remove 3% of the total gas contained
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Solving :
β Time taken to remove 99% of the gas = 99%/3% Γ 10 seconds
β Time taken = 33 Γ 10 = 330 seconds
β Time taken = 6 minutes 30 seconds
β Time taken = 6.5 minutes