A company produces 72000 bottles of water everyday. If a case can hold 9 bottles of water .How many cases are required by the company to hold its one day production  Pick one.
A) 2000 B) 4500 C) 5000 D) 8000 E) 9000

Rationale: "number of bottles that can be held in a case = 9 . number of cases required to hold 72000 bottles = 72000 / 9 = 8000 cases . so the answer is d = 8000"
Answer: D