Răspuns :
[tex]10 \: robinete \: ..... \: 12 \: ore[/tex]
[tex]30 \: robinete \: ..... \: x \: ore[/tex]
[tex] \frac{10}{30} = \frac{x}{12} [/tex]
[tex]x = \frac{10 \times 12}{30} = \frac{12}{3} = 4 \: ore[/tex]
[tex]30 \: robinete \: ..... \: x \: ore[/tex]
[tex] \frac{10}{30} = \frac{x}{12} [/tex]
[tex]x = \frac{10 \times 12}{30} = \frac{12}{3} = 4 \: ore[/tex]
10 robinete .......12 ore
30 robinete........x ore
=> X=(10*12)/30 =120:30 =4 ore
30 robinete........x ore
=> X=(10*12)/30 =120:30 =4 ore