Question

sara is having a dinner party for four friends and needs to reduce the serving size of the meatloaf recipe. she uses the equation $\frac{x}{4}=5$. how many servings did the recipe originally make?○ 4○ 5○ 9○ 20

Explanation:

Step1: Isolate $x$ by multiplying 4

Multiply both sides of the equation by 4 to solve for $x$.
$$\frac{x}{4} \times 4 = 5 \times 4$$

Step2: Simplify to find $x$

Calculate the product on the right-hand side.
$$x = 20$$

Answer:

20 (Option D: 20)