Elevator 1 moved up 12 feet from the ground level. Its position is labeled as +12. Elevator 2 moved down 7 feet from the ground level. Its position is labeled as _____

Question

anonymous · Answer

From the description of the position of Elevator 1, it looks like position zero is ground level. Do you agree?

anonymous · Answer

no
i think its -7

anonymous · Answer

You are correct. The position of Elevator 2 is -7. I was trying to explain how to reach that answer. Well done.

anonymous · Answer

oh thanks i thought i was wrong