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2. 3000
1. dik : hb= 10.000
hj=12000
dit= u ?
u = hj - hb = 12.000-10.000= 2.000
persentase = u/hb100% = 2.000/10.000 x 100=20%
2.142/7 dari 21.000 = 100/7 x 21.000 dibagi 100 = 3000