Jawabanmu

2014-05-08T15:11:22+07:00
Bunga = y/12 * persentase bunga * tabungan
22.500 = y/12 * 15/100 * 300.000
y/12 = 22.500 * 100/15 * 1/300.000
= 1/2
y/12 = 1/2
y = 6 bulan
1 5 1