Answer:
32% of the students did not have a pet.
Step-by-step explanation:
From the total students (100%):
- 1/4 of them had a dog only,
. Then, 25% had a dog only.
- 20% only had a cat.
- 15% had multiple pets.
- 0.08=8% only had other than cats or dogs.
- <u>Adding up all these cases, we obtain the proportion of students that had at least one pet:</u>
. Then, 68% of the students did have a pet.
- The rest of the students
, did not have any pet.