Question

calcule x e y na proporção de x/4=y/8 sabendo que 5x+3y=33? heeelllpppp :)

Answer 1

$\frac{x}{4} = \frac{y}{8} ==\ \textgreater \ y=2x \\ 5x+3y=33 ==\ \textgreater \ 5x+3(2x)=5x+6x=33 ==\ \textgreater \ 11x= 33 \\ ==\ \textgreater \ x=3 \\ y=2x=2(3)=6 \\ x=3 \\ y=6$