Răspuns:
A+b+c=336
a:b=2,7 =>a=2,7b
c:b=2,2 =>c=2,2b
2,7b+b+2,2b=336
5,9b=336
b=336:5,9=>b=56,94
c=2,2·56,94=>c=125,28
a=2,7·56,94=>a=153,73
