The following are the ages (years) of 5 people in a room:
13, 12, 13, 15, 12
A person enters t...
Mathematics, 12.02.2021 14:10, carlydays4403
The following are the ages (years) of 5 people in a room:
13, 12, 13, 15, 12
A person enters the room.
The mean age of the 6 people is now 20.
What is the age of the person who entered the room?
Answers: 1
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