Mathematics

Mathematics, 11.03.2021 19:20, bbyjean9974

The mean age of 5 people in a room is 27 years. A person enters the room.
The mean age is now 27.
What is the age of the person who entered the room?

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The mean age of 5 people in a room is 27 years. A person enters the room.
The mean age is now...

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