Answer:
The correct option is C) 30 ÷ 3.
Explanation:
Consider the provided model.
We have 30 tiles in the provided figure.
After arrangement the 30 tiles divided into 3 groups. Where each group consist 10 tiles.
This can be written as:
30 ÷ 3
Where 30 is the number of tiles and 3 is the number of groups.
We can verify the expression by performing the division.
30 ÷ 3 = 10
That means each group has 10 tiles. Which is true.
Hence, the correct option is C) 30 ÷ 3.