Question

Va rog rapid.....Dau coroana

Answer 1

$\frac{a + b}{2} = 16.2$
a+b=32,4
$\frac{a + b + c}{3} = 23.5$
$\frac{32.4 + c}{3} = 23.5$
32,4 +c = 23,5*3=70,5
c=70,5-32,4=38,1