Răspuns:
a|................| a+b+c=150 a+b=90
b|................| b+c=110
c|.................|
aflam cate kg se afla in a treia lada
150-90=60 kg a treia lada
aflam cate kg se afla in prima lada
150-110=40 kg prima lada
aflam cate kg se afla in a doua lada
150-60-40=50kg a doua lada
v:40+50+60=150