Question

patrimeaunui numar este egala cu treimea unui numar. afla cele doua nr daca suma celor doua numere este 56.

Answer 1

$\frac{x}{4}=\frac{y}{3}=k \\\\ x=4k \\ y=3k \\\\ x+y=56 \\\\ 4k+3k=56 \\\\ 7k=56 \ \ |:7 \\\\ \boxed{k=8} \\\\ y=3*8 \\\\ \boxed{\boxed{y=24}} \\\\ x=4*8 \\\\ \boxed{\boxed{x=32}}$

Answer 2

Notam cu x primul numar si cu y pe cel de al doilea:
x/4=y/3=>x=4/3y
x+y=56
4/3y+y=56(amplificam cu 3 la y si la 56)
4y+3y=168
y=24
x=4/3 X (inmultit) 24=32
x=32