SliceCo, a company that sells knives, is structured so that each of its x regional sales directors has y salespeople working for that director. If, for the month of May, SliceCo sold exactly 2,200 knives, how many regional directors worked for SliceCo that month?

(1) Each regional director sold 150 knives, and each salesperson sold 80 knives.

(2) Each regional director had 5 salespeople.