Answer: The required number of servings she can make is 6.
Step-by-step explanation: Given that Jean needs 
 cup of walnuts for each serving of salad she makes. She has two cups of walnuts.
 cup of walnuts for each serving of salad she makes. She has two cups of walnuts.
We are to find the number of servings she can make.
We will be using the UNITARY method to solve the given problem.
Number of servings made by 
 cups of walnuts = 1.
 cups of walnuts = 1.
So, the numbers made by 1 cup of walnuts will be

Therefore, the number of servings made by 2 cups of walnuts is given by

Thus, the required number of servings she can make is 6.