Answer:
128 people live in the land lords apartment buildings.
Explanation:
There are 4 buildings
4 floors in each building
4 apartment rooms on each floor
4 people live in each building.
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In 1 building there are 4 floors.
On each floor there are 4 apartment rooms. Making that 16 in total.
In each apartment room, there are 4 people. Making that 32 people in total.
Which means there are 32 people in 1 apartment building
32 ppl * 4 apartment buildings. = 128.