Question

Inmpartiti numarul 36 in 3 parti, x, y, z direct proprotionale cu 3,4,5

Answer 1

$\frac{x}{3} = \frac{y}{4} = \frac{z}{5} = \frac{x + y + z}{3 + 4 + 5} = \frac{36}{12} = 3$

$\frac{x}{3} = 3$

x=9

$\frac{y}{4} = 3$

y=12

$\frac{z}{5} = 3$

z=15