The mean age of 5 people in a room is 39 years.
A person enters the room.
The mean age is now 40.
What is the age of the person who entered the room?

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21-04-2021
Mathematics

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The mean age of 5 people in a room is 39 years.
A person enters the room.
The mean age is now 40.
What is the age of the person who entered the room?

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carlenaloudermilk carlenaloudermilk · Answer 1 · 2021-04-21T11:34:08+02:00

carlenaloudermilk carlenaloudermilk

21-04-2021

Answer: Answer:the person entering the room is 10 years oldStep-by-step explanation:x / 5 = 40x = 40 * 5x = 200so the total of all the ages of 5 people

Step-by-step explanation:

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The mean age of 5 people in a room is 39 years. A person enters the room. The mean age is now 40. What is the age of the person who entered the room?

Respuesta :

Otras preguntas

The mean age of 5 people in a room is 39 years.
A person enters the room.
The mean age is now 40.
What is the age of the person who entered the room?