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Em uma sala 20% dos alunos gostam de jogar vôlei e os 42 alunos restantes gostam de jogar futebol. Quantos alunos há nessa turma?

 

Google translate:

In a class, 20% of the students like to play volleyball and the remaining 42 students like to play soccer. How many students are there in this class?

 Sep 8, 2022
edited by Alan  Sep 8, 2022
 #1
avatar+33151 
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Let S be the total number of students.  Then

 

0.2S + 42 = S

 

0.8S = 42

 

S = 42/0.8 = 52.5

 

Wow, the class has half a student!

 

Are you sure you didn't mean 40 students like to play soccer?

 

Tem certeza que não quis dizer que 40 alunos gostam de jogar futebol?

 Sep 8, 2022
 #2
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Wow, the class has half a student!

 

Maybe the class has a halfwit ...or a midget.  LOL

 

GA 

--. .- 

Guest Sep 9, 2022
edited by Guest  Sep 9, 2022

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