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Question: at least one of the answers above is not correct...

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At least one of the answers above is NOT correct. 4 of the questions remain unanswered (1 point) A tank contains 90 kg of salt and 2000 L of water. Water containing 0.2 of salt enters the tank at the rate 2heution is mixed and drains from the tank at the rate 4 A) is the amount of salt in the tank at time t measured in kilograms. (a) A(0)90 (kg) (b) A differential equation for the amount of salt in the tank is to the left hand side.) (c) The integrating factor is 0. (Use t,A, A, A for your variables, not A(t), and move everything (d) A(t) (kg) (e) Find the concentration of salt in the solution in the tank as time approaches infinity Assume your tank is large enough to hold all the solution) concentration
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