Question

daca a b c=45 si si ay by cy=225atunci aflati y

Answer 1

a*b*c=45
ay*by*cy=225 ⇒ y(a*b*c)=225 ⇒ y*45=225 ⇒ y=225:45 ⇒ y=5

Sper ca te-am ajutat.

Answer 2

a+b+c=45
a·y+b·y+c·y=225
y·(a+b+c+)=225
y·45=225
y=5