Question

 Media aritmetica  a trei nr este 75 . Calculati suma numerelor

Answer 1

(a+b+c):3=75=>75*3=>225

Answer 2

[tex]m_a= \frac{a+b+c}{3} \\ \frac{a+b+c}{3}=75|*3 \\ a+b+c=75*3 \\ \boxed{a+b+c=225}[/tex]