Question

A person lost in an office building travels up 3 floors in an

elevator, then down 1 floor, then up 5 more floors, then
down another 4 floors. What number sentence would
represent this situation?

Answer 1

B. +3 - 1 + 5 - 4

Explanation:

The plus means going up and the negative means you are going down.

You are going up 3 floors (+3)

You are going down 1 floor ( -1)

You are going up 5 floors (+5)

You are going down 4 floors (-4)

Let me know if this helps!