Mathematics, 11.06.2021 01:00 countryboy42

In 2020, a school started its own aquarium with "x" fish. In 2021, there were x' fish in the same aquarium. There were 512 fish in 2021. How many fish were there in 2020?
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In 2020, a school started its own aquarium with "x" fish. In 2021, there were x' fish in the same aquarium. There were 512 fish in 2021. How many fish were there in 2020? Show your work.

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Another question on Mathematics

In 2020, a school started its own aquarium with "x" fish. In 2021, there were x' fish in the same aquarium. There were 512 fish in 2021. How many fish were there in 2020?
Show your work.