Dont understand this:
The following are the ages (years) of 5 people in a room:
13, 18, 14,...
Mathematics, 30.04.2021 06:20, MariaIZweird9631
Dont understand this:
The following are the ages (years) of 5 people in a room:
13, 18, 14, 17, 24
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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