Respuesta :

TotesAdorbs12
16 times the quantity of numbers, in this case 5, which = 80, then subtract each number, 80-20-20-19-13=8.  X should = 8
A/Q
(20+20+19+13+x) ÷ 5 = 16
72+x =16×5
72+x = 80
x = 80 - 72
x = 8