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1. A tank initially holds 100 gal of brine containing 30 lb of dissolved salt. Fresh water flows into the tank at the rate of 3 gal/min and brine flows out at the same rate. (a) Find the salt content of the brine at the end of 10 min. (b) When will the salt content be 15 lb? Lesson 15A-Exercise 125 2. Solve problem 1 if 2 gal/min of fresh water enter the tank instead of 3 gal/min.

1. A tank initially holds 100 gal of brine containing 30 lb of dissolved salt. Fresh water flows into the tank at the rate of 3 gal/min and brine flows out at the same rate. (a) Find the salt content of the brine at the end of 10 min. (b) When will the salt content be 15 lb? Lesson 15A-Exercise 125 2. Solve problem 1 if 2 gal/min of fresh water enter the tank instead of 3 gal/min.

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Please solve #2 by separation of variables ( differential equations proglem) thank you 

1. A tank initially holds 100 gal of brine containing 30 lb of dissolved salt. Fresh water flows into the tank at the rate of 3 gal/min and brine flows out at the same rate. (a) Find the salt content of the brine at the end of 10 min. (b) When will the salt content be 15 lb? Lesson 15A-Exercise 125 2. Solve problem 1 if 2 gal/min of fresh water enter the tank instead of 3 gal/min.
Transcribed Image Text:1. A tank initially holds 100 gal of brine containing 30 lb of dissolved salt. Fresh water flows into the tank at the rate of 3 gal/min and brine flows out at the same rate. (a) Find the salt content of the brine at the end of 10 min. (b) When will the salt content be 15 lb? Lesson 15A-Exercise 125 2. Solve problem 1 if 2 gal/min of fresh water enter the tank instead of 3 gal/min.
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