Question

Cantitatea de 940 kh de struguri se pun in ladite si lazi.,in total fiind 95 de bucati.Stiind ca in orice ladita s-au pus 7 kg si in orice lada s-au pus 12 kg,aflati cate ladite au fost?

Answer 1

a+b=95
7a+12b=940
a=95-b
7(95-b)+12b=940
665-7b+12b=940
5b=940-665
b=275:5
b=55 lazi
a+55=95
a=95-55
a=40 ladite

Answer 2

A+b=95 7a+12b=940 7(95-b)=940 665-7b+12b=940 5b=940-665 5b=275 b=275:5 b=55 lazi A+55=95 A=40 ladite