Odpowiedź:
50% z 30 to 15
1%z 5 to 0,05
10% z 6 to 0,6
25%z 3 to 1,25
50% z 30
30 to 100%
x to 50%
100%x= 30×50%/÷100%
x= 1500%÷100%
x=15
1% z 5
5 to 100%
x to 1%
100%x=5×1%/÷100%
x=5%÷100%
x=0,05
10% z 6
6 to 100%
x to 10%
100%x=6×10%/÷100%
x=60%÷100%
x=0,6
25% z 3
3 to 100%
x to 25 %
100%x=3×25%/÷100%
x=75%÷100%
x=0,75
