Mathematics, 19.05.2020 20:18, miklff

The following are the ages (years) of 5 people in a room:
12, 22, 21, 13, 14
A person enters the room.
The mean age of the 6 people is now 21.
What is the age of the person who entered the room?

Answers: 2

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The following are the ages (years) of 5 people in a room:
12, 22, 21, 13, 14
A person en...