Question

the elevator descends into a mine shaft at the rate of 8m/minutes. if the descends starts from 20m above the ground level the time taken by the elevator to reach -300m is ​

Answer 1

Answer:

40mins

Step-by-step explanation:

first, to find the total distance you do 20-(-300) which is 320

then use the formula time=distance/speed

                                   =320/8

                                      =4mins