Resposta :
[tex]x = 150[/tex]
[tex]3x - 1 = 420[/tex]
Subtraindo fica
[tex]2x - 1 = 270[/tex]
[tex]2x = 271[/tex]
[tex]x = \frac{271}{2} = 135.5 \: dias[/tex]
[tex]x = 150[/tex]
[tex]3x - 1 = 420[/tex]
Subtraindo fica
[tex]2x - 1 = 270[/tex]
[tex]2x = 271[/tex]
[tex]x = \frac{271}{2} = 135.5 \: dias[/tex]