Question

X/2=y/3=z/3
x+y+z=40
x=?
y=?
z=?.

Answer 1

Explicație pas cu pas:

$\frac{x}{2} = \frac{y}{3} = \frac{z}{3} = \frac{x + y + z}{2 + 3 + 3} =\frac{x + y + z}{8} = \frac{40}{8} = 5$

$\frac{x}{2} = 5 \\ x = 2 \times 5 = >x = 10$