Answer :
5 million teenagers do not use the internet at school.
How to calculate the number of adolescents who do not use the internet at school?
To know the number of adolescents who do not use the Internet at school, we must do the following operations:
- Subtract the number of students who do use the internet at school from the total number of teenagers as shown below:
- 21 million - 17 million = 5 million
According to the above, it can be inferred that the number of adolescents who use the Internet outside of school is 5 million.
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