1) 30% = 30/100 = 0,3
56% = 56/109 = 0,56
90% = 90/100 = 0,9
2) 0,2% = 0,2/100 = 0,002
0,7% = 0,7/100 = 0,007
0,05% = 0,05/100 = 0,0005
103,5% = 103,5/109 = 1,035
3) 5/8% = 5/8 : 100 = 5/800 = 1/160 = 0,00625
1 4/5% = 9/5% = 9/5 : 100 = 9/500 = 0,018
48 2/3% = 146/3% = 146/3 : 100 = 146/300 =
= 73/150
91 1/7% = 638/7% = 638/7 : 100 = 638/700 =
= 319/350
4) 250% = 250/100 = 2,5
300% = 300/100 = 3
400% = 400/100 = 4
1000% = 1000/100 = 10