Final answer:
The question is a Mathematics one for Middle School level. It asks for the number of cows Sally Green has, and without any cows mentioned in the provided information, the answer is 0 cows.
Step-by-step explanation:
The subject of this question is Mathematics, and it is best suited for a Middle School student. The question asks how many cows Sally Green would have in all, but since the original information does not specify any cows, unless additional context is provided, the answer is simply zero cows. This type of problem typically helps students practice basic addition or understand the importance of reading the question carefully to identify which details are relevant.
To address a similar problem conceptually, imagine Sally Green does have cows on her farm. To find the total number of a certain type of animal, you would simply add the number of that specific animal that Sally owns. In the given scenario, since there are no cows mentioned, Sally owns 0 cows.
If we were to adapt this question into a math problem involving basic addition, and Sally did have some cows, you would add the numbers of each animal together to find the total number of animals Sally owns. But without the number of cows specified, we cannot do this. It is a good exercise to remind students that sometimes the answer is hidden in the details or, in this case, the absence of details.