Question

Calcule x,y e z, sabendo-se que x + y + z = 360 e $\frac{x}{10}$=$\frac{y}{6}$=$\frac{z}{2}$.

Answer 1

$y=\frac{6x}{10}=\frac{3x}{5} \\ \\ z=\frac{2x}{10}=\frac{x}{5} \\ \\ x+y+z=x+\frac{3x}{5}+\frac{x}{5}=360 \\ \\ 5x+3x+x=1800 \\ \\ 9x=1800 \\ \\ x=200 \\ \\ y = 120 \\ \\ z=40$