Answer:
31. 20
Step-by-step explanation:
Each class had 40 students right?...so
4 caring=40-36
4caring=4 students
4Dutiful=40-40
=0 (no student had absent for this class)
4excellence=40-29
=11 students
4 friendly=40-35
=5 students
Now plus all the number together:
4+11+15=
Final answer:20 students
