na minha classe a 14 meninos e 21 meninas ,os meninos representam % da classe e as meninas representam % da classe
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Ola☺boa noite
menina =>14
menino =>21
--------------------(+)
total------->35--->100%
35/14=100/x
5/2=100/x%
5x=200
x=200/5
x=40%--->meninas
35/21=100/X
5/3=100/x
5x=300
x=300/5
x=60%---->meninos
menina =>14
menino =>21
--------------------(+)
total------->35--->100%
35/14=100/x
5/2=100/x%
5x=200
x=200/5
x=40%--->meninas
35/21=100/X
5/3=100/x
5x=300
x=300/5
x=60%---->meninos
Respondido por
1
14 meninos
21 meninas
total de 35 alunos = 100%
35=100 (100*14)=(35*x)
14= x 1400= 35x
1400/35=x
x=40
35=100 (100*21)=(35*x)
21= x 2100= 35x
2100/35=x
x=60
meninas = 60%
meninos = 40%
21 meninas
total de 35 alunos = 100%
35=100 (100*14)=(35*x)
14= x 1400= 35x
1400/35=x
x=40
35=100 (100*21)=(35*x)
21= x 2100= 35x
2100/35=x
x=60
meninas = 60%
meninos = 40%
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