Răspuns :
4 robinete ........... 6 ore
2 robinete ........... x
------------------------------------ sunt marimi invers proportionale
↓
x = 6*4 : 2 = 12 ore
2 robinete ........... x
------------------------------------ sunt marimi invers proportionale
↓
x = 6*4 : 2 = 12 ore
un rezervor(k) =4 robinete *6 ore=2 robinete *x
x=4*6/2=12ore
as simple as that!
x=4*6/2=12ore
as simple as that!