Final answer:
Meg is trying to find 'the part,' which is the number of boxer dogs she saw from the total of 16 dogs in a given week, given the percentage of 50%.
Step-by-step explanation:
The student is asking about a scenario where Meg, a veterinarian, saw 16 dogs in a given week and 50% of them were boxers. To answer the question, we are trying to determine which mathematical component Meg is trying to find based on the given data. The correct answer is A) The part. Since we know the whole (the total number of dogs) and the percent (50%), we are interested in finding the part, which is the number of boxers out of the total.