Question

Suppose we represent the distance above the ground by a

positive integer and that below the ground by a negative

integer, then answer the following:

(i) An elevator descends into a mine shaft at the rate of

5 metre per minute. What will be its position after one

hour?

(ii) If it begins to descend from 15 m above the ground,

what will be its position after 45 minutes?​

Answer 1

Answer:

thera are ,2 photo of slide show