SOLUTION: Biologists catch, mark and then release 356 fish. One week later, they catch 629 fish and of that group 85 are marked. Use the information to estimate the total population of fis

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Biologists catch, mark and then release 356 fish. One week later, they catch 629 fish and of that group 85 are marked. Use the information to estimate the total population of fis      Log On


   

Question 157715: Biologists catch, mark and then release 356 fish. One week later, they catch 629 fish and of that group 85 are marked. Use the information to estimate the total population of fish in the lake.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
85/629=356/X
85X=629*356
85X=223,924
X=223,924/85
X=2,634.4 ESTIMATED NUMBER OF FISH IN THE LAKE.