Answer:
12 squares
Explanation:
Data provided:
Dimension of the rectangle = 30 × 40
Area of the rectangle = 30 × 40 = 1200
Dimension of the area to be divided = 10 × 10 
Thus,
Area of the square to be divided into = 100
Therefore,
The number of square in which it can be divided 
= 
 
 
= 
 
 
= 12 
Hence, 
It can be divided in 12 squares