Question

amelia is buying walnuts for a recipe. she already has $1\frac{1}{4}$ cups of walnuts. the recipe calls for $2\frac{3}{4}$ cups of walnuts. how many cups of walnuts does amelia need to buy? let $c$ be the number of cups of walnuts amelia needs to buy. describe the situation with an equation.

Explanation:

Step1: Define the equation logic

The walnuts Amelia already has plus the ones she needs to buy equals the total required by the recipe.

Step2: Write the equation

$$1\frac{1}{4} + c = 2\frac{3}{4}$$

Answer:

$$1\frac{1}{4} + c = 2\frac{3}{4}$$