. A tank contains 80 gallons (gal) of pure water. A brine solution with 2 lb/gal of salt enters at 2 gal/min, and the well-stirred mixture leaves at the same rate. Find (a) the amount of salt in the tank at any time, and (b) the time at which the brine leaving will contain 1 lb/gal of salt.

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ISBN:9780470458365
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Chapter2: Second-order Linear Odes
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Part II. Problem Solving
.. A tank contains 80 gallons (gal) of pure water. A brine
solution with 2 lb/gal of salt enters at 2 gal/min, and
the well-stirred mixture leaves at the same rate. Find
(a) the amount of salt in the tank at any time, and (b)
the time at which the brine leaving will contain 1 lb/gal
of salt.
Transcribed Image Text:Part II. Problem Solving .. A tank contains 80 gallons (gal) of pure water. A brine solution with 2 lb/gal of salt enters at 2 gal/min, and the well-stirred mixture leaves at the same rate. Find (a) the amount of salt in the tank at any time, and (b) the time at which the brine leaving will contain 1 lb/gal of salt.
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