Răspuns:
a+b+c=90000
a=b/2 primeste al2lea frate
c=3b/2 primeste al 3lea frate
b/2+²⁾b+3b/2=²⁾90000
b+2b+3b=180000
6b=180000=>b=180000/6=>b=30000 dolari primeste al2lea frate
a=30000/2=>a=15000 dolari primeste primul frate
c=3·30000/2=>c=45000 dolari primeste al3lea frate