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The mean age of 5 people in a room is 27 years.

A person enters the room.
The mean age is now 35.
What is the age of the person who entered the room?

User Speakman
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1 Answer

13 votes
13 votes

Answer:

main age = total age/total people

if Main age is = 27


27 = ( * )/(5)

and x = 135

Total age is = 135

then main age is 35


[35 = (y)/(6)

and y = 210

first main age - second main age = age of the person participating

210 - 135 = 75

the age is = 75

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Explanation:

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