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Mathematics, 18.10.2020 07:01 salma1018

The mean age of 5 people in a room is 27 years. A person enters the room.
The mean age is now 35.
What is the age of the person who entered the room?

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Answers: 3

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The mean age of 5 people in a room is 27 years. A person enters the room.
The mean age is now...
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