question 21. A tank contains 200 liters of fluid in which 30 grams of salt is dissolved. Brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 4 L/min; the well-mixed solution is pumped out at the same rate. Find the number A(1) of grams of salt in the tank at time t. answer 21. A(t) = 200-170e-1/50

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter7: Exponents And Exponential Functions
Section7.8: Transforming Exponential Expressions
Problem 13PFA
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21. A tank contains 200 liters of fluid in which 30 grams of
salt is dissolved. Brine containing 1 gram of salt per liter
is then pumped into the tank at a rate of 4 L/min; the
well-mixed solution is pumped out at the same rate. Find
the number A(t) of grams of salt in the tank at time t.
answer
21. A(t) = 200-170e-1/50
Transcribed Image Text:question 21. A tank contains 200 liters of fluid in which 30 grams of salt is dissolved. Brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 4 L/min; the well-mixed solution is pumped out at the same rate. Find the number A(t) of grams of salt in the tank at time t. answer 21. A(t) = 200-170e-1/50
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