An underground mine 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?

Step-by-step explanation:

"An underground mine 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?"

We want to estimate the depth after certain number of time

Given

total depth=75m

rate of descends =12% of total depth

= 12/100*75= 0.12*75

=9 meters per minute

Therefore in 2 minutes we can use the expression to find the distance/depth

speed= distance/time

9=distance/2

distance=9*2

distance= 18 meters

Therefore the elevator is 18m below the ground in 2 minutes

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12.4, 12.387, 12.26, 12.252, 6.241, 6.2, 6.015, 6.009, 1.411, 1.2, 1.056, 1.007, 0.31,   0.13, 0.5, 0.04

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