Mathematics, 10.02.2020 01:03 ForbesDrew
The following are the ages (years) of 5 people in a room: 23, 13, 17, 12, 15 A person enters the room. The mean age of the 6 people is now 22. 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: 23, 13, 17, 12, 15 A person enters the roo...
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