To determine how many cups of tomato are needed for a salsa batch of 105 cups, we first need to understand how the ingredients are proportioned according to the given ratio of 3:5:7 for green pepper, onion, and tomato.
The total parts in the ratio can be calculated as follows:
- Green pepper: 3 parts
- Onion: 5 parts
- Tomato: 7 parts
The total number of parts is:
3 + 5 + 7 = 15 parts.
Next, we need to find out how much each part is worth when making 105 cups of salsa. We can do this by dividing the total amount of salsa by the total number of parts:
Value of one part = Total salsa amount / Total parts = 105 cups / 15 parts = 7 cups per part.
Now, since the ratio for tomatoes is 7 parts, we multiply the value of one part by the number of parts for tomato:
Cups of tomato = Value of one part * Tomato parts = 7 cups/part * 7 parts = 49 cups.
Therefore, to make 105 cups of salsa, you will need 49 cups of tomato.