It would be equal to 4
Hope this helps!
$819.20 is the answer considering each time the units increase by fours, it adds $204.80
2 out of 50 were tagged.
Divide 2 by 50:
2/50 = 0.4 ( This is 4% of the fish were tagged).
Now divide the number of fish caught by the percentage that were tagged:
50 / 0.04 = 1250
The number of fish in the pond is C. 1250