Question

Daca 8 robinete cu acelasi debit curgand impreuna umplu un bazin in 3 ore atunci 4 robinete cu acelasi debit curgand impreuna umplu acelasi bazin in...... va rog ajutatima

Answer 1

[tex]8~robinete~......~3~h \\
4~robinete~......~x~h \\
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Sunt~marimi~invers~proportionale \\ \\ \dfrac{8}{4}=\dfrac{x}{3} ==> x=\dfrac{8*3}{4}==> x=\dfrac{24}{4} ==> x = 6~h~ \\ \\ x=\dfrac{8*3}{4} ==> x=\dfrac{24}{4} ==> x = 6~h[/tex]