Mathematics, 31.03.2021 14:00 abbieT6943

The following are the ages (years) of 5 people in a room: 23, 20, 15, 12, 17
A person enters the room.
The mean age of the 6 people is now 19.
What is the age of the person who entered the room?

Answers: 3

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The following are the ages (years) of 5 people in a room: 23, 20, 15, 12, 17
A person enters t...