wiadomo że 140% pewnej liczby wynosi 420.oblicz 97% tej liczby.
140%--420
97%--x
x=97%*420/140%
x=291
97% * 420 = 97/100*420/1= 2037/5= 407,5
Chyba tak ;)
pozdro ;)
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140%--420
97%--x
x=97%*420/140%
x=291
97% * 420 = 97/100*420/1= 2037/5= 407,5
Chyba tak ;)
pozdro ;)