Respuesta :
Answer:
integer 3 represents elevator final position with respect to the main floor.
Step-by-step explanation:
Given : An elevator starts at the main floor and goes up 8 floors. It then goes back down 5 floors.
To find : What integer represents elevator final position with respect to the main floor.
Solution : We have given
Elevator starts at the main floor and goes up floors = + 8 ( for up).
Then goes back down floor = - 5 ( - sign for down).
Final position : 8 - 5 = 3 .
It will reach at 3 floor from the main floor .
Therefore, integer 3 represents elevator final position with respect to the main floor.