Suppose a tank holds a brine solution consisting of 2 kg salt dissolved in 10 L of water.
There are two input sources of brine solution: the first source has a concentration of 1 kg of
salt per liter while the second source is pure water.

Rest of problem is written in this post since it's long.

Question

Suppose a tank holds a brine solution consisting of 2 kg salt dissolved in 10 L of water.
There are two input sources of brine solution: the first source has a concentration of 1 kg of
salt per liter while the second source is pure water. 

Rest of problem is written in this post since it's long.

mazehaq · Answer

Suppose a tank holds a brine solution consisting of 2 kg salt dissolved in 10 L of water.
There are two input sources of brine solution: the first source has a concentration of 1 kg of
salt per liter while the second source is pure water. The first source flows into the tank at a
rate of 3 L/min for 2 min. Thereafter, it is turned off and simultaneously the second source
is turned on at a rate of 3 L/min for 2 min. Thereafter, it is turned off and simultaneously
the first source is turned back on at a rate of 3 L/min and remains on. The well-mixed
solution flows out of the tank at a rate of 3 L/min. Find the amount of salt in the tank at
time t.

mazehaq · Answer

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triciaal · Answer

not the solution but this is what I have:

triciaal · Answer

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