Question

Sa se afle numerele naturale X si Y , stiind ca sint dorect proportionale cu nr 3 si 8, iar 2x+3x =60.... Urgent va rog

Answer 1

(X;Y) d.p. (3;8)
$\frac{x}{3} = \frac{y}{8} =$K
x=3K
y=8K
3Kx2+8Kx3=60
6K+24K=60
30K=60
K=60:30
K=2
x=2x3
x=6
y=2x8
y=16
Verificare:
2x6+3x16=12+48=60