Question 5 * A tank contains 80 lb of salt dissolved in 500 gal of water. The inflow per minute is 20 lb of salt dissolved in 20 gal of water. The outflow is 20 gal/min of the uniform mixture. Inflow 20 ga/min Q = 80 lb %3D Outflow V= 500 gal. 20 gal/min The time when the salt in the tank reaches 300 lb is:

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1Miuitipie Chuice
Question 5 *
A tank contains 80 lb of salt dissolved in 500 gal of water. The inflow per minute is
20 lb of salt dissolved in 20 gal of water. The outflow is 20 gal/min of the uniform
mixture.
Inflow
20 gal/min
Q = 80 lb
Outflow
20 gal/min
V = 500 gal.
The time when the salt in the tank reaches 300 lb is:
Transcribed Image Text:1Miuitipie Chuice Question 5 * A tank contains 80 lb of salt dissolved in 500 gal of water. The inflow per minute is 20 lb of salt dissolved in 20 gal of water. The outflow is 20 gal/min of the uniform mixture. Inflow 20 gal/min Q = 80 lb Outflow 20 gal/min V = 500 gal. The time when the salt in the tank reaches 300 lb is:
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