Problem 2: Set up (DO NOT SOLVE) a system of equations describing the concentration of salt in each tank as a function of time AND find the concentration of salt in each tank after a very long period of time: Inflow to tank 1 from external source: 5 gal / min pure water Inflow to tank 2 from external source: 7 gal / min water with 3 lb/ gal salt Flowrate from tank 2 to tank 1:9 gal / min Flowrate from tank 1 to tank 2:2 gal / min Flowrate from tankl to outside (bottom arrow): 12 gal/ min Assume the tanks are well stirred

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