Answer:
5 minutes
Step-by-step explanation:
If the mean arrival rate is 0.2 students per minute, the expected time interval between student arrivals, in minutes, is determined by the inverse of the arrival rate:

The interval between student arrivals is, on average, 5 minutes.
In a step by step fashion you solve the problem like so:
Move terms:
3f+2=8-3f
Combine like terms:
3f+3f=8-2
Divide
6f=6
Solution
f=1
Answer:
y-5=1(x-3)
Step-by-step explanation:
5/11 times -8
5/11 × -8/1
-8*5 = -40
-40/11 is your answer
Hope this helps
The interest is $77.60 i think