3 cats -------------- 3 Β fish -------------3 minutes
100 cats------------100 fish ----------- Β x
The cats and fish are variables directly proportional, the cats and the time are varibles inversely proportional,
Therefore,Β
3 cats * 100 fish * x=100 cats * 3 fish * 3 minutes
x=(100 cats * 3 fish * 3 minutes) / (3 cats * 100 fish)
x=3 minutes.
Answer: the time will be 3 minutes.Β