Alex wants to find out how many ducks there are in a park. One day he puts a tag on each of 30 of the ducks. The next day he catches 40 ducks. 8 of these ducks have tags on them. Work out an estimate for the number of ducks in the park.

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30-8 is 22.There are still 22 ducks with tags on them,there are 32 without tags ,, so there are 54 ducks i think

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