Questão 30 da Eletrobrás 2022 (Banca Cesgranrio) Conjuntos e porcentagem
1 year ago
3
Em uma gincana escolar, uma turma foi pesquisada, por
dois grupos concorrentes, sobre as idades de seus estudantes. Um dos grupos constatou que 78% dos estudantes dessa turma têm, pelo menos, 15 anos; outro grupo
concluiu que, nessa mesma turma, 34% dos estudantes
têm, no máximo, 15 anos. Com base nessas pesquisas, qual o percentual de estudantes, dessa turma, com exatamente 15 anos?
Olá, nesse vídeo eu resolvo a questão 26 de matemática do concurso da Eletrobrás aplicada e, 2022 pela banca Cesgranrio
Playlist Cesgranrio
Playlist Banco do Brasil
https://youtube.com/playlist?list=PLgmdl5jsCXV0TkEU0gEzZLOK579OUjJGU
#CONCURSOBANCODOBRASIL
#CONCUROS
#CESGRANRIO
#BANCODOBRASIL
#MATEMÁTICA
#conjuntos #porcentagem
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