Question

An elevator is 12 metre below ground. It descends to a point 100 below the ground. What is the change in the elevation of the elevator?​

Answer 1

Elevator was 12 m below ground

Elevator reached to a point 100m below ground

Change in elevation =?

Below ground = -100-(-12)

=-100+12=-88 below ground (ANS)

Answer 2

Answer:

-88m

Step-by-step explanation:

It was in -12m

It gone to -100m

Then,

the change will be

-100-(-12)

-88m

Happy to help