Jawabanmu

2014-05-16T10:24:41+07:00
Presentasi perak = 25 / 200 x 100%
= 12,5 %
presentasi emas = 10 / 200 x 100%
= 5%
2014-05-16T10:58:32+07:00
%perak = 25/200 x 100% = 12,5 %
%emas = 10/200 x 100% = 5%