Question

Ada yg bisa no. 17-20? tolong bantu saya, tolong pakai cara juga, kalau soalnya kurang jelas bilang aja..

Answer 1

17) c

18) 4,4,5,5,6,6,7,7,8,8
me = (6 + 6) / 2 = 6 (B)

19) x = {(40×6,5)+(5 × 8)}/ 45
x = (260 + 40) / 45
x = 300 / 45
x = 6,67 (A)