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Mathematics, 25.04.2021 20:00 Edithh
The following are the ages (years) of 5 people in a room: 19, 13, 25, 14, 18 A person enters the room. The mean age of the 6 people is now 18. 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: 19, 13, 25, 14, 18 A person enters the roo...
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