Question

Media ponderata a numerelor 12 si 20 cu ponderile 2 si respectiv 6 este...

Answer 1

Map=(12 x 2 +20 x 6)/2+6
       =(24+120)/8
       =144/8
       =18.

Answer 2

$m_p=\frac{12*2+20*6}{2+6}=\frac{144}{8}=18$