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Question: Differentia Equations Mixing Problem

Question:Differentia Equations Mixing Problem

BeeMariex3 5 Maple 16
ode
May 10 2013
1

Hi, I have a maple project and one of the questions reads: 

a. | Initially, a 100 – liter tank contains a salt solution with concentration 0.5 kg/liter. A fresher solution with concentration 0.1 kg/liter flows into the tank at the rate of 4 liter/min. The contents of the tank are kept well stirred, and the mixture flows out at the same rate it flows in.
i. Find the amount of salt in the tank as a function of time.

ii. Determine the concentration of salt in the tank at any time.

iii. Determine the steady – state amount of salt in the tank.

iv. Find the steady – state concentration of salt in the tank.

 

This is what i have so far:

Maple Project

 

I can't figure out how to set up ii-iv any help would be appreciated.
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