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Daca 6 robinete pot umple un bazin in 35 de minute , cate robinete cu acelasi debit pot umple bazinul in 14 minute?

URGENT!!!! S.O.S

DAU COROANA!!!!!


Răspuns :

6 ....35
x......14
regula de 3 simple:
x=6×35/14 => 15 robinete