Answer:
22
Step-by-step explanation:
The top of the bar tells us how many student had a ranged number of pets in each section.
12 students had 0-4 pets
4 students have 5-9
2 student have 10-14
3 students have 15-19
0 have 20-24
1 have 25-29.
Add up the number of students
12+4+2+3+1=22
