a)100%----120
35%--------x
x = (35%*120):100%x = 42
__________________
b)
100%----20
3.5%------x
x = (3.5%*20):100%x = 0.7
___________________
c)
100%----15
33.33%-----x
x = (33.33%*15):100%
x = 4.9995
a) 35% liczby 120= 42
b) 3,5 liczby 20= 0,7
c) liczby 15= 4,9995
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a)
100%----120
35%--------x
x = (35%*120):100%
x = 42
__________________
b)
100%----20
3.5%------x
x = (3.5%*20):100%
x = 0.7
___________________
c)
100%----15
33.33%-----x
x = (33.33%*15):100%
x = 4.9995
a) 35% liczby 120= 42
b) 3,5 liczby 20= 0,7
c) liczby 15= 4,9995