Resposta :
Resposta:
[tex] \frac{1}{3} = \frac{y}{12} [/tex]
[tex] 12 = 3y[/tex]
[tex]3y = 12[/tex]
[tex]y = 12 \div 3[/tex]
[tex]y = 4[/tex]
Resposta:
[tex] \frac{1}{3} = \frac{y}{12} [/tex]
[tex] 12 = 3y[/tex]
[tex]3y = 12[/tex]
[tex]y = 12 \div 3[/tex]
[tex]y = 4[/tex]