Answer:
Equivalent expression using n to represent the unknown number is:

Explanation:
The quotient of 56 and n is multiplied by 3.
Create an equivalent expression using n to represent the unknown number.
We need to write equivalent expression of The quotient of 56 and n is multiplied by 3.
We will do this step by step
First we will find:
The quotient of 56 and n
It can be written in mathematical form is:

Now, we will find
The quotient of 56 and n is multiplied by 3.
It can be written in mathematical form as:

So, equivalent expression using n to represent the unknown number is:
