Over a 24-hour period, brown bears counted
840 salmon swimming upstream, and they
safely...
Mathematics, 28.02.2020 03:54 Admin
Over a 24-hour period, brown bears counted
840 salmon swimming upstream, and they
safely assumed that they only counted 30% of
the total number of fish going by. The salmon-
spawning haven along Copper River measures
approximately 90,000 cubic meters of water.
Given that the haven was empty before this
week, that the salmon swim upstream at a
constant rate, and that once they reach the
haven, the salmon hang out there indefinitely,
what will the population density of salmon in
the Copper River spawning haven be after one
week (to the nearest thousandth fish/m3)?
(A) 0.009 fish/m3
(B) 0.031 fish/m3
(C) 0.093 fish/m3
(D) 0.218 fish/m3
Answers: 3
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