1 hour = 60 minutes.
60 minutes / 20 minutes = 3.
55 people x 3 = 165 people per hour. (Rate per hour)
165 people x 3 hours = 495 people. (Total people in 3 hours)
Answer:
Step-by-step explanation:
3rd one
Answer:
n= 12
Step-by-step explanation:
6*2= 12
Men= 6
Women= 12
12+6= 18
90-18= 72
72:6= 12:1