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Ok here is a question where you have to listen really well!

Ok you are a pilot of an international plane

There are 25 passengers, 5 waitresses, and 2 carts on board.

12 of the passengers are eating meat

8 of the passengers are eating salad

5 of the passengers are not eating at all

The number of passengers that are eating is the age of the co-pilots brother

the co pilot's sister is (2 x 3) years older than the brother

the co pilot is 20 years older then the sister.

the pilots age is unknown

how old is the pilot?