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A tank contains 5000 L of pure water. Brine that contains 10 g of salt per liter of water is pumped into the tank at a rate of 25 L/min. The concentration of salt after t minutes (in grams per liter) is
C(t) = 10t/200 + t
.
As
t → ∞,
what does the concentration approach?

Respuesta :

LammettHash
[tex]\displaystyle\lim_{t\to\infty}C(t)=\lim_{t\to\infty}\frac{10t}{200+t}=10[/tex]

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