You can't determine how many cups are in "1 part" without knowing the total volume of the recipe or mixture.

Here's why:

* "Part" is relative: It represents a fraction of the whole, not a fixed amount.

* Example: If a recipe calls for 2 parts flour and 1 part water, "1 part" could be 1 cup, 1/2 cup, or even 1 tablespoon, depending on the total volume of the recipe.

To figure out how many cups are in 1 part, you need to know the following:

1. Total number of parts: How many total parts are in the recipe?

2. Total volume: What is the total volume of the recipe (e.g., 3 cups)?

Then, you can calculate:

* Value of 1 part: Divide the total volume by the total number of parts.

For example:

* Recipe: 2 parts flour + 1 part water = 3 parts total

* Total volume: 3 cups

* Value of 1 part: 3 cups / 3 parts = 1 cup per part

Let me know if you have more information about the recipe or mixture you're working with, and I can help you calculate the cups per part!