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Mathematics, 06.07.2019 06:00 tvoalicea
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...
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