Question 494743
a) If 640 customers per hour arrive, then on average, 160 orders per hour will be placed, each one taking 1.2 minutes. In one hour, roughly 60/1.2 = 50 orders will be placed on one cash register, so about three cash registers is enough.


b) What percentage of customers use the restroom?


c) If a maximum of 640 customers are there and 30% of them park, approximately 640(.3) = 192 parking spaces are required.