A soup recipe uses 6 cups of water 4 tomato sauce and 5 puree how many are there for every cup water?

The recipe makes 15 1/3 cups of soup as follows:

6 (cups of water) + 4 (cups of tomato sauce) + 5 (cups of puree) = 15 cups

therefore there are 2 1/2 cups for each cup of water