Cantitatea de 940 kg de struguri se pun in laditi si lazi,in total 95 de bucati.Stiind ca in orice ladita s-au pus 7 kg in orice lada s-au pus 12 kg calculati cate ladite au fost
x=nr de ladite, y =nr de lazi 7x=kg in ladite si 12y=kg in lazi in total= 7x+12y=940 de kg x+y=95 12x +12y=95 x 12=1140|-7x+12y=940 5x=1140-940 5x=200 x=200:5=40 ladite 40+y=95 =>y=95-40=>y=55 lazi
