virgeenanuvi
8) persentase kenaikan harga apel = (42.000 - 35.000)/35.000 x 100% = 7.000/35.000 x 100% = 1/5 x 100% = 20% (D) 9) 500 - (1/4 x 200) = 50 x p 500 - 50 = 50 x p 450 = 50 x p p = 450 : 50 p = 9 (C)
10) aku adalah bilangan ganjil = x 245 - x = 170 x = 245 - 170 x = 75
11) (750 : 25) - 15 = 50 - n 30 - 15 = 50 - n 15 = 50 - n n = 50 - 15 n = 35
= (42.000 - 35.000)/35.000 x 100%
= 7.000/35.000 x 100%
= 1/5 x 100%
= 20% (D)
9) 500 - (1/4 x 200) = 50 x p
500 - 50 = 50 x p
450 = 50 x p
p = 450 : 50
p = 9 (C)
10) aku adalah bilangan ganjil = x
245 - x = 170
x = 245 - 170
x = 75
11) (750 : 25) - 15 = 50 - n
30 - 15 = 50 - n
15 = 50 - n
n = 50 - 15
n = 35