Final answer:
The reason for using 3 quarts of boiling water instead of 1 quart to cook frozen cheese ravioli is for taste, not to raise the boiling temperature. Adding salt to the water enhances the flavor of the pasta. It has become a common practice because recipes often include salt in their instructions.
Step-by-step explanation:
The reason why the directions call for 3 quarts of boiling water instead of 1 quart to cook the frozen cheese ravioli is not related to raising the boiling temperature of the water. Adding salt to the water does not significantly increase the boiling point. Instead, the main reason people add salt is for taste. It adds a little bit of salt flavor to the pasta. Additionally, it has become a common practice because recipes often include salt in their instructions.