Question

An elevator descends into a mine shaft at the rate of 6m/min. if the
descent starts from 10 m above the ground level, how long will it
take to reach - 350 m?
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Answer 1

Answer:

60 minutes or 1 hour

Step-by-step explanation:

Look at the image for the way to solve it.

Basically, you take the ratio 6 m : 1 min and multiply both sides by 360/6.