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The following are the ages (years) of 5 people in a room: 20, 24, 13, 15, 25 A person enters the room. The mean age of the 6 people is now 19. What is the age of the person who entered the room?
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The following are the ages (years) of 5 people in a room:

20, 24, 13, 15, 25
A person enters the room.
The mean age of the 6 people is now 19.
What is the age of the person who entered the room?

User Amattn
by
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1 Answer

7 votes
The age of the person who entered is 17
20+24+13+15+25+17=114รท6=19
User Sergei Sirik
by
6.0k points
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