Answer:
234 students at Dave's school own multiple pets.
Explanation:
Based on Dave's data, we can set up a ratio (fraction) of the number of students that own multiple pets over the number of students surveyed:
![(41)/(100)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/dshe1shu4cp68sv0jio21x1nq4fjbqjgk3.png)
Assuming this sample is an accurate representation of the entire student population, we can set up a proportion to find the number of students out of the entire student population of 570 own multiple pets:
![(41)/(100)=(x)/(570)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/1k3uvj5goy1yi494vblh8m6o5i6w3xuhow.png)
Solving for x using cross-multiplication and division:
100x = (41)(570) or 100x = 23370
Divide both sides by 100: 100x/100 = 23370/100
x = 233.7, rounded to the nearest whole number = 234 students.