Question

Hallar "c" si: a/7=b/5=c/8
Ademas: a+2b+3c=205​

Answer 1

RPTA: 40

Hallar "c" si: a/7=b/5=c/8

Ademas: a+2b+3c=205

a = 7k = 7(5) = 35

b = 5k = 5(5) = 25

c = 8k = 8(5) = 40

Reemplazamos:

a+2b+3c=205

7k+2(5k)+3(8k)=205

7k+10k+24k=205

41k=205

   k=5