Which expression is modeled by this arrangement of tiles?

The answer is 16 ÷ 2 = 8.

Step-by-step explanation:

Now, to find the expression modeled by arrangement of tiles.

So, according to the model in the question.

There are 16 tiles in the model.

So, arrangement of 16 tiles divided into 2 groups.

Where each group consist 8 tiles.

So, we can write as:

As 16 is the number of tiles and 2 is the number of groups.

Now, we can check the expression by doing the division.

Therefore, each group has 8 tiles.

56

step-by-step explanation: