Question

The following are the age (year) of 5 people in a room: 18 , 21 , 12 , 12 , 23 A peron enter the room. The mean age of the 6 people i now 22. What i the age of the peron who entered the room?

Answer 1

46

Explanation:

18+21+12+12+23=86

22×6=132

132-86=46

46