Biologists working to estimate the population of foxes in small town captured and tagged 30 foxes on one night. The foxes were then released. The next night they captured 30 foxes and found that 6 of them had already been tagged. The best estimate for the fox population of the town would be

A 30

B 36

C 60

D 150

E 180

( Dont have the official answer for this)

Vivek.

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