nataliedsilva34 nataliedsilva34

11-07-2021
Mathematics

contestada

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?

Respuesta :

coolguymcfly coolguymcfly

11-07-2021

Answer:

10 years old :)

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