Poziom B:
a)
5% = 27
100% = x
x= (100:5)*27
x= 20*27
x=540
b)
15%=18
100%=x
x=(100:15)*18
x=120
c)
75%=162
100%=x
x=(100:75)*162
x=216
Poziom C
a)
24%=36
100%=x
x=(100:24)*36
x=150
b)
12%=42
100%=x
x=(100:12)*42
x=350
c)
15%=75
100%=x
x=(100:15)*75
x=500