Solve the following word problems. Express all answers in simplest form with the correct units. 4) A tank contains 80 gal of pure water. 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 after half an hour, b) determine the limiting value for the amount of salt in the tank after a long time, and c) how much time must pass before the amount of salt in the tank reaches 80% of this limiting value

Solve the following word problems. Express all answers in simplest form with the correct units. 4) A tank contains 80 gal of pure water. 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 after half an hour, b) determine the limiting value for the amount of salt in the tank after a long time, and c) how much time must pass before the amount of salt in the tank reaches 80% of this limiting value

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter7: Applying Fractions

Section7.3: Equations With Fractional Coefficient

Problem 6E

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Solve the following word problems. Express all answers in simplest form with the correct units.

4) A tank contains 80 gal of pure water. 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 after half an hour, b) determine the limiting value for the amount of salt in the tank after a long time, and
c) how much time must pass before the amount of salt in the tank reaches 80% of this limiting
value

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