Hi! Need this ASAP! thx ^^
The following are the ages (years) of 5 people in a room:
20, 24, 13, 15, 25
A person enters the room.
The mean age of the 6 people is now 19.
What is the age of the person who entered the room?

Respuesta :

the person who entered the room is 17
the person that entered the room is 17 years old
20+24+13+15+25+17
=
114
÷
6
=
19