Question

Tolong bantu no 17 beserta caranya ya. makasih:)

Answer 1

N1 = n1
x1= 5,3
n2 = 4
x2 = 1/4 (5,7+6,7+6,0+ 5,6)= 1/4(24) = 6
xg = 5,5

(n1 +n2) xg = n1 x1 + n2 X2
(n1 + 4) 5,5 = n1(5,3) + 4 (6)
(5,5 - 5,3) n1 = 24 - 22
0,2 n1 = 2|
n1 = 2 : 0,2 = 10