20 because 19 16/33 is the exact answer. Since they ask about how much that can be rounded up to 20
I hope this helps you
x^2-4x-12
x -6
x +4
(x-6)(x+4)
Answer:
3.6 minutes.
Step-by-step explanation:
According to the data given in the question, between 9 and 10 AM, 220 passengers have checked in which means that the check-in rate is 3.6 passengers per minute. If the average number of passengers waiting for check-in is 32 and if we assume that the check-in rate is constant throughout the day, then the average passenger had to wait in line for 3.6 minutes.
Answer: 2/72
Step-by-step explanation:
1/36
(1*2)/(36*2)
2/72