Jawabanmu

2014-09-10T18:37:59+07:00
20.000 - 18.000 = 2.000
2.000/18.000 x 100% = 11,11%
2014-09-10T18:42:36+07:00
20000-18000=2000
2000/18000=100%=1/9(disederhanakan)
1/9=11ยน/9%(sebelas satu per sembilan persen)