Question

An elevator descends into a minieshaft at the rate of 9m per minute. If the descent starts from 20 m above the ground Level, how long it takes to reach - 250 m?​

Answer 1

Answer:

30 minutes

Step by step:

It needs to travel 270 m. If it travels 9 m per minute then we can say that 270/9 will give us our answer:

270/9=30 minutes

Hope this helped,

- Brooklyn

( PS, please mark answer as brainliest!!! )