Question

the number should replace y to make the equation $\frac{y}{4}=4$ true.

Explanation:

Step1: Isolate y via multiplication

Multiply both sides by 4:
$$\frac{y}{4} \times 4 = 4 \times 4$$

Step2: Simplify to solve for y

Calculate the right-hand side:
$$y = 16$$

Answer:

16