ubahlah ke bentuk persen (pakai cara) 1.21/5= 2.11/5= 3.44/8= 4.34/10= 5.129/15=

1. 21/5 = 21×20 / 5×20 =420/100 = 420% 2. 11/5 = 11×20 / 5×20 = 220/100 = 220% 3. 44/8 = 44×12,5 / 8×12,5 = 550/200=550% 4. 34/10 = 34×10 / 10×10 = 340/100 = 340% 5. 129/15 = 129×6,6.. / 15×6,6.. = 851,6...%