Question

baloanele umflate in salile a doua clase sunt 126.afla cate sunt in fiecare sala,daca in prima sunt de 5 ori mai multe decat in a doua sala.

Answer 1

prima cls l-l-l-l-l-l-l

a2cls. l-l
totalul de baloane 126
126:7=18baloane in a 2 clasa
18×6=108baloane in prima clasa
108+18=126 baloane in total

Answer 2

a+b=126
a=5b
5b+b=126
6b=126
b=126:6
b=21(baloane in a doua sala)
a=5*21=105(baloane in prima sala)