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Mathematics, 12.07.2021 19:40 aaminohasan142

The following are the ages (years) of 5 people in a room: 13, 18, 14, 17, 24 A person enters the room. The mean age of the 6 people is now 21. 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: 13, 18, 14, 17, 24 A person enters the roo...
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