A large tank is filled to capacity with 400 gallons of pure water. Brine containing 3 pounds of salt per gallon is pumped into the tank at a rate of 4 gal/min. The well-mixed solution is pumped out at a rate of 8 gals/min. Find the number A(t) of pounds of salt in the tank at time t. A(t) = lb How long (in minutes) will take for the tank to be empty after this process has started? min

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section: Chapter Questions
Problem 16T
icon
Related questions
Question

Mm.1

### Brine Mixing Problem

**Problem:**

A large tank is filled to capacity with 400 gallons of pure water. Brine containing 3 pounds of salt per gallon is pumped into the tank at a rate of 4 gallons per minute. The well-mixed solution is pumped out at a rate of 8 gallons per minute. Find the number \(A(t)\) of pounds of salt in the tank at time \(t\).

**Solution:**

\[
A(t) = \_\_\_\_
\]

**Question:**

How long (in minutes) will it take for the tank to be empty after this process has started?

\[
\_\_\_\_ \text{ min}
\]
Transcribed Image Text:### Brine Mixing Problem **Problem:** A large tank is filled to capacity with 400 gallons of pure water. Brine containing 3 pounds of salt per gallon is pumped into the tank at a rate of 4 gallons per minute. The well-mixed solution is pumped out at a rate of 8 gallons per minute. Find the number \(A(t)\) of pounds of salt in the tank at time \(t\). **Solution:** \[ A(t) = \_\_\_\_ \] **Question:** How long (in minutes) will it take for the tank to be empty after this process has started? \[ \_\_\_\_ \text{ min} \]
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 3 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
Intermediate Algebra
Intermediate Algebra
Algebra
ISBN:
9780998625720
Author:
Lynn Marecek
Publisher:
OpenStax College
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax