An underground subway elevator descends 12% of the total depth every minute. The total depth of the elevator is 75 meters below the ground.How many meters below the ground is the elevator after 2 minutes?

Respuesta :

After 2 minutes, the elevator will be 95 meters below the ground.

Total depth of the elevator = 75 meters

Percentage increase = 12% every minute

Therefore, the number of meters below the ground after 2 minutes will be:

= 75 + 2(12% × 75)

= 75 + 2(0.12 × 75)

= 75 + 2(9)

= 75 + 18

= 95

Therefore, after 2 minutes, the elevator will be 95 meters below the ground.

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