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Unformatted text preview: t minutes after the process begins. Then we have dA ( t ) dt = rate of salt in rate of salt out . rate of salt in = 10 L / min . 3 kg / L = 3 kg / min . Since the tank is kept uniformly mixed, A ( t ) / 400 is the mass of salt per liter that is owing out of the tank at time t . Thus we have rate of salt out = 10 L / min A ( t ) 400 kg / L = A ( t ) 40 kg / min . 36...
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 Spring '10
 Hald,OH
 Math, Differential Equations, Linear Algebra, Algebra, Equations

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