Question

Mohon dijawab dari nomor 18-24.
Pakai cara ya.

Answer 1

18. 6/8 = (6+14)/ab
6ab = 160
ab = 26,7
ef = bd = 8
ad = ab - bd
ad = 26,7 - 8
ad = 18,7 (C)

19. pake rumus ikan -> ((cd×ae)+(ab×de))/(de+ae)
= (56+42)/10
= 9,8 (A)

Answer 2

No 18)
AD/8 = 14/6
AD = 8x14/6
AD = 18,7

jawaban C

no 19)
EF = (8x7 + 3x14) / (3+7)
EF = 98/10
EF = 9,8 

jawaban A

no 20)
jawaban D

no 21)
jawaban B

no 22)
jawaban D

no 23)
jawaban A

no 24)
jawaban C