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Mathematics, 02.12.2021 19:00 ceceshelby51631

The following are the ages (years) of 5 people in a room: 12
,

21
,

25
,

18
,

13

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?

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Answers: 2

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The following are the ages (years) of 5 people in a room: 12
,

21
,
<...

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