7. A tank with a 200 gallon capacity is initially half full of water into which 30 grams of salt have been dissolved. A brine containing 5 grams of salt per gallon is pumped into the tank at a rate of 10 gallons per minute. The well-mixed solution is pumped out of the tank at a rate of 6 gallons per minute. Determine the amount of salt in the tank (in grams) at the exact moment the tank is completely full.
7. A tank with a 200 gallon capacity is initially half full of water into which 30 grams of salt have been dissolved. A brine containing 5 grams of salt per gallon is pumped into the tank at a rate of 10 gallons per minute. The well-mixed solution is pumped out of the tank at a rate of 6 gallons per minute. Determine the amount of salt in the tank (in grams) at the exact moment the tank is completely full.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:7. A tank with a 200 gallon capacity is initially half full of water into which 30 grams of salt have been dissolved. A brine
containing 5 grams of salt per gallon is pumped into the tank at a rate of 10 gallons per minute. The well-mixed solution is
pumped out of the tank at a rate of 6 gallons per minute. Determine the amount of salt in the tank (in grams) at the exact
moment the tank is completely full.
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