Question

Va rog frumos sa ma ajutati!​

Answer 1

Răspuns:

a+b+c=60

a/1=b/2=c/3

a=b/2 =>b=2a

a=c/3 =>c=3a

a+2a+3a=60

6a=60

a=10

b=10*2=20

c=10*3=30