Jawabanmu

2014-09-06T23:00:04+07:00
14600-12000=2600.12000:100=120=1%
2600:120=21,66%
14600-12000= 2600
a/100 x 12000 = 2600
a = 2600/12000 x 100
a= 21,67%
2014-09-06T23:13:04+07:00