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Answer:
The correct answer is: c) 171
Step-by-step explanation:
In order to find the number of rooms first of all we have to find the area of a single room
Given that the dimensions of room is:
16 ft * 20 ft
The area of a room is: 320 square feet
So
Area for rooms on first floor = 200000 square feet
The number of rooms on first floor will be:
As the number of rooms cannot be in decimal and as we are dealing with floor area some area can be spared but no extra area can be added so the floor function will be applied which rounds off the number to previous whole number
Then number of rooms on first floor is 62
And '
Area for rooms on second floor = 35000 square feet
the number of rooms:
Rounding off using floor function
Number of rooms on second floor = 109
Total number of rooms = 62+109 = 171
Hence,
The correct answer is: c) 171