If 3 cats can kill 3 rats in 3 minutes, how long will it take 100 cats to kill 100 rats?  Pick
A) 1 minutes
B) 2 minutes
C) 3 minutes
D) 4 minutes
E) 5 minutes
It will take 3 minutes for 100 cats to kill 100 rats.   1 cat can kill 1 rat in 3 minutes, so 100 cats can kill 100 rats in 3 minutes   Answer 3 minutes
<result>C</result>
If 3 cats can kill 3 rats in 3 minutes, how long will it take 100 cats to kill 100 rats?