The mean age of 5 people in a room is 38 years. A person enters the room. The mean age is now 39. What is the age of the person who entered the room?

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asked Sep 11, 2021 138k views

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The mean age of 5 people in a room is 38 years.

A person enters the room.
The mean age is now 39.
What is the age of the person who entered the room?

Mathematics
high-school

Henry Blyth asked

by Henry Blyth

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Answer:

im not sure i think 21 years of age

Nray answered Sep 17, 2021

by Nray

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