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A tank contains 120 gal of brine made by dissolving 85 lbs of salt in water. Pure water runs

A tank contains 120 gal of brine made by dissolving 85 lbs of salt in water. Pure water runs

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section: Chapter Questions
Problem 33CT
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A tank contains 120 gal of brine made by dissolving 85 lbs of salt in water. Pure water runs into the tank at the rate of 5 gal/min, and the well-stirred mixture runs out at the same rate. Find (a) the amount of salt in the tank at any time t and (b) the time required for half the salt to leave the tank.
Transcribed Image Text:A tank contains 120 gal of brine made by dissolving 85 lbs of salt in water. Pure water runs into the tank at the rate of 5 gal/min, and the well-stirred mixture runs out at the same rate. Find (a) the amount of salt in the tank at any time t and (b) the time required for half the salt to leave the tank.
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