SOLUTION: A SCIENTIST WANTS TO KNOW THE NUMBER OF FISH IN A CERTAIN LAKE.SHE CAPTURES 15 FISH,PLACES TAGS ON THEM AND RE-RELEASES THEM INTO THE LAKE. THE NEXT DAY SHE CAPTURES 15 MORE FISH .

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Question 82059: A SCIENTIST WANTS TO KNOW THE NUMBER OF FISH IN A CERTAIN LAKE.SHE CAPTURES 15 FISH,PLACES TAGS ON THEM AND RE-RELEASES THEM INTO THE LAKE. THE NEXT DAY SHE CAPTURES 15 MORE FISH . TWO OF THESE FISH HAVE TAGS. aBOUT HOW MANY FISH ARE IN THE LAKE?
Answer by stanbon(75887) About Me  (Show Source):
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A SCIENTIST WANTS TO KNOW THE NUMBER OF FISH IN A CERTAIN LAKE.SHE CAPTURES 15 FISH,PLACES TAGS ON THEM AND RE-RELEASES THEM INTO THE LAKE. THE NEXT DAY SHE CAPTURES 15 MORE FISH . TWO OF THESE FISH HAVE TAGS. aBOUT HOW MANY FISH ARE IN THE LAKE?
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Fish in the Lake / # caught = # in sample/ sample fish caught
# fish in Lake/ 15 = 15/2
# fish in Lake = 225/2 = 112.5
Rounding down # of fish in the lake = 112
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Cheers,
Stan H.