Problem $3-9($Algo$)$

PizzaTime Restaurants is building a new pizza place and needs to determine how big to make the various parts of its facility. It wants to

be able to accommodate a maximum of $620$ customers per hour at its peak times. PizzaTime has collected the following information:

the average time to place and receive an order is $1\mathrm{.}85$ minutes, $15$ percent of the customers have cars and require parking spots, and

the average length of time at the restaurant is $60$ minutes per customer. Assume a capacity cushion of $20$ percent.

a$.$ Find the number of cash registers required. $($assume an average of $4$ customers per group$)$

b$.$ Find the number of parking spaces needed.

c$.$ Find the number of seats$/$tables needed. $($assume $4$ seats per table$).$