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The following is the statistical data of all kinds of poultry raised in a poultry farm. (1) What information do you get from it? Please write two different levels of information.
(1) Level 1 information: most chickens, followed by ducks, and least geese;

Secondary information: chicken accounts for 52%, duck accounts for 30%, and goose accounts for 18%.

(2) Question: How many ducks are there?

1000×30%=300 (only);

A: There are 300 ducks.

So the answer is: How many ducks are there?