Jawabanmu

2014-04-01T22:51:12+07:00
Uang mita = 30.000

uang mita = 4/9 dari keseluruhan = 4/9 a

4/9 a = 30.000
a = 9/4 x 30.000
a = Rp 67.500


2014-04-01T22:53:22+07:00