Mathematics, 09.04.2020 21:47 ladybugys
The mean age of 5 people in a room is 37 years. A person enters the room. The mean age is now 38. What is the age of the person who entered the room?
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The mean age of 5 people in a room is 37 years. A person enters the room. The mean age is now 38. Wh...
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