Mariana is making a large pot of pasta. She mixes together 5 1/8 pounds of pasta, 6 pounds of sauce, and 4 7/8 pounds of onions.

To find out how many 1/2 pound servings can she make, which two equations would you need?

1. Total weight of ingredients: 5 1/8 + 6 + 4 7/8 = x

2. Number of 1/2 pound servings: x / 1/2 = y