3 of 8
The following are the ages (years) of 5 people in a room:
25, 25, 25, 24, 18
A...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 20.09.2021 14:00, giouamado
3 of 8
The following are the ages (years) of 5 people in a room:
25, 25, 25, 24, 18
A person enters the room.
The mean age of the 6 people is now 22.
What is the age of the person who entered the room?
years
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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Mathematics, 21.06.2019 22:00, goodperson21
White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.
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