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The following are the ages (years) of 5 people in a room:
20, 21, 20, 21, 21
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?

Respuesta :

Answer:

19 Years old

Step-by-step explanation:

wenjun
Aswer that i counted out is mean is 20.3 , so the answer for the age of the man who enter to the room is 19 year old man

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