tolong jawab no .27 sama 28

27. 150.000x14/100x8/12 = 14.000 jawabannya B
28. (sistemnya sama kek no.27)
awal x 4/12 x 18/100 = 420.000
awal x 6/100 = 420.000
awal = 420000 : 6/100
awal = 420.000 x 100/6
awal = 7.000.000