Question

rezolvare a+b+c=340 a=3xb a=c:2

Answer 1

a+b+c=340
a=3b
$a = \frac{c}{2} = > c = 2a$
*Inlocuim in a+b+c=340
3b+b+2a=340
4b+2×3b=340
10b=340
$b = \frac{340}{10} = > b = 34$
a=3b=3×34=102
c=2a=2×102=204