Solution :
First Jerome reach 20 floors up from the elevator.
Then, Jerome took the stairwell down 2 floors for a morning meeting.
So, currently he is on 20 - 2 = 18 floor.
Now, it is given that he took the elevator down 8 floors for lunch in the cafeteria.
Current position is 18 - 8 = 10 floor.
Finally, he walk 4 floors upstairs for after noon meeting.
Final position is 10 + 4 = 14 floor.
Therefore, in the end he is in 14 floor for the afternoon meeting.
B.) 13m+8
Step-by-step explanation:
Hope this helps and have a great day! :)