nataliedsilva34 nataliedsilva34
  • 11-07-2021
  • Mathematics
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The mean age of 5 people in a room is 40 years. A person enters the room. The mean age is now 39. What is the age of the person who entered the room?

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coolguymcfly coolguymcfly
  • 11-07-2021

Answer:

10 years old :)

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