Respuesta :
Answer: 33
Step-by-step explanation:
The total number of students in seventh grade at Western Middle School = 220
The percent of the students in seventh grade have perfect attendance=15%
Then, the number of students have perfect attendance is given by :
15% of 220
[tex]=\frac{15}{100}\times220=33[/tex]
Hence, 33 students have perfect attendance.