I think u have to do 120÷20=60
then 60×15=900
so he sold 900 flowers I'm not sure tho
0.4 kilometers each week.
Answer:
1.0010353034
Step-by-step explanation:
Answer:
3 customers
Step-by-step explanation:
Rate of arrival (λ) = 15 per hour
Service rate (μ) = 20 per hour
The number of customers in a system given the arrival rate and the mean service rate is given by:

Applying the given data:

The average number of customers in the system is 3 customers.