If 6 cats can kill 6 rats in 6 minutes, how long will it take 100 cats to kill 100 rats?  Choose one
A) 1 minutes  B) 2 minutes  C) 3 minutes  D) 4 minutes  E) 6 minutes

Rationale: "it will take 6 minutes for 100 cats to kill 100 rats . 1 cat can kill 1 rat in 6 minutes , so 100 cats can kill 100 rats in 6 minutes answer e"
Answer: E