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Every 10 seconds, a vacuum pump can remove 3% of the gas contained in a chamber. How many minutes will it take the pump to remove 99% of the gas initially in the chamber?

My work for this:

f(x) = 100%-3x

3x/3=(100-99)=1/3

3x/3=1/3

x=0.35% or 3 seconds to remove 99% of gas.

Respuesta :

Answer:

6.5 minutes

Step-by-step explanation:

Given :

⇒ 10 seconds to remove 3% of the total gas contained

============================================================

Solving :

⇒ Time taken to remove 99% of the gas = 99%/3% × 10 seconds

⇒ Time taken = 33 × 10 = 330 seconds

⇒ Time taken = 6 minutes 30 seconds

⇒ Time taken = 6.5 minutes

zeldacheree

Step-by-step explanation:

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