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Real-World Applicationshard
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A system of two tanks has volumes V1=100V_1 = 100V1​=100 L and V2=200V_2 = 200V2​=200 L. Pure water flows into Tank 1 at 101010 L/min. The well-mixed solution flows from Tank 1 to Tank 2 at 101010 L/min, and out of Tank 2 at 101010 L/min. Initially, Tank 1 contains 505050 g of salt and Tank 2 contains 000 g. Which formula gives the mass of salt x2(t)x_2(t)x2​(t) in Tank 2 at time ttt?