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80% of salmon pass through a single dam unharmed. By what percent does the number of salmon decrease when passing through a single dam?
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21 votes
80% of salmon pass through a single dam unharmed. By what percent does the number of salmon decrease when passing through a single dam?

User Marc Aldorasi
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2 Answers

8 votes

Answer: 20%

Explanation:

User Nick Kohrn
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8.2k points
7 votes

Answer:20%

Explanation:

User Foxdonut
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7.6k points
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