Question

Daca 6 robinete umplu un bazin in 2 ore aflati in cate ore vor umple acelasi bazin 4 robinete

Answer 1

Salut !

$6 \: robinete........ \: 2 \: ore$

$4 \: robinete........ \: x \: ore$

$6:4 = 2:x$

$= > x = \frac{6}{4} \times \frac{2}{1} = \frac{6}{2} = 3$

$............$