Respuesta :
Answer:
3 minutes per student
Step-by-step explanation:
60/20=3
Answer:
3 minutes per student.
Step-by-step explanation:
To solve this, we can first convert hours to minutes:
1 hour--> 60 minutes.
Since the problem states he can figure the average for 20 students in 1 hour, all we need to do is simply:
60÷20= 3 minutes per student.