A tank contains 200 gallons of water and 15 oz of salt. Water containing a salt...

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A tank contains 200 gallons of water and 15 oz of salt. Water containing a salt concentration of -(1+-sin t) oz/gal flows into the tank at a rate of 7 gal/min, and the mixture in the tank flows out at the same rate. The long-time behavior of the solution is an oscillation about a certain constant level. What is this level? What is the amplitude of the oscillation? Round the values to two decimal places. Oscillation about a level = oz. Amplitude of the oscillation = oz. A tank contains 200 gallons of water and 15 oz of salt. Water containing a salt concentration of -(1+-sin t) oz/gal flows into the tank at a rate of 7 gal/min, and the mixture in the tank flows out at the same rate. The long-time behavior of the solution is an oscillation about a certain constant level. What is this level? What is the amplitude of the oscillation? Round the values to two decimal places. Oscillation about a level = oz. Amplitude of the oscillation = oz.