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never [62]
3 years ago
12

The number of fish in a lake decreased by 25% between last year and this year.

Mathematics
2 answers:
Talja [164]3 years ago
7 0
The population would be 45 fish
Softa [21]3 years ago
6 0

Answer: This population, the population is 45 fish.

Step-by-step explanation: This problem can be solved by a rule of three.

Last year there were 60 fish in the lake. That was 100, that is, decimal 1.

This year it decreased 25%. So there 100%-25% = 75%, that is decimal 0.75. So

60 fish - 1

x fish - 0.75

This population, the population is 45 fish.

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