Question

Aflati a,b,c
a+b+c=63
Rapoartele c/b si b/a=4

Answer 1

b/a=4⇒b=4a
c/b=4⇒c=4b=16a
a+4a+16a=63
21a=63
a=3
b=12
c=48
as simple as that!

Answer 2

a=4,b=4a c=4a =16a =63
21a =63
a=3
b=12
c=48
3+12+48=63