Ms. Smith went to work. She arrived at the building and took the elevator in the lobby (0 floor) and moved up to her office. Later, she took the elevator 7 floors up for a meeting. From there, she took the elevator 9 floors down to the cafeteria. After finishing her snack, Ms. Smith took the elevator 8 floors down to the lobby and she went home. On what floor does Ms. Smith work?

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

you could deduce the conclusion directly using the facts pertaining to the specific situation.

hope this .