wolfy3355 wolfy3355

14-10-2018
Mathematics

contestada

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 :

AshleyGC AshleyGC

14-10-2018

The age of the person who entered is 17
20+24+13+15+25+17=114÷6=19

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