Final answer:
Mrs. Beatty and Henry will be working at City Hall.
Step-by-step explanation:
The location where Mrs. Beatty and Henry will be working is City Hall. City Hall is a building that serves as the center of government for a city or town.
It is where the mayor and other officials work and make decisions that affect the community. In this case, Mrs. Beatty and Henry will likely be working in City Hall in some capacity.