Question

Va rog, ajutor
2a=5b=3c = K
a+b+c=930
Aflați a ,b ,c

Answer 1

$\frac{2}{a} = \frac{5}{b} = \frac{3}{c} = \: k$

a + b + c = 930

$\frac{2}{a} = k$

a = 2k

$\frac{5}{b} = k$

b = 5k

$\frac{3}{c} = k$

c = 3k

2k + 5k + 3k = 930

10k = 930

93