a. 1 zł- ile to promili kwoty 2000 zł ?
b. 5 ml- jaki to promil objętości 4 l ?
a. 0,5 .
b. 1,25 .
1%o - jesden promil ; 1000%o=1
a) (1zł/ 2000 zł) * 1000%o = 1/2%o =o,5%o
b) 5 ml
4l= 4000 ml
(5 ml/4000 ml) * 1000%o =5/4 %o =1,25 %o
Sądzę,że dobrze :-)
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a. 0,5 .
b. 1,25 .
1%o - jesden promil ; 1000%o=1
a) (1zł/ 2000 zł) * 1000%o = 1/2%o =o,5%o
b) 5 ml
4l= 4000 ml
(5 ml/4000 ml) * 1000%o =5/4 %o =1,25 %o
Sądzę,że dobrze :-)