Explanation Given information: The Concentrate Grass and Weed Killer consist of an 18% active ingredient glyphosate and 82% inactive gradients. So, that the final mixture contains 0.9% inactive gradients Calculation: Let x denote the amount of concentrate and y denote the amount of water. We can translate the word of the problem in two equation, involving x and and y. Solution Strength (% in decimals) Number of gallons Amount of solution Concentrate 0.18 X 0.18x Water 0 Y 0y Mixture 0.009 200 1.8 Since, the sum of the volume of concentrated solution and water solution is 200 gallons, and first equation is, x + y = 200 The second equation comes from the fact that the solutions are mixed. ( concentrated solution ) + ( water solution ) = ( amount of solution in mixture ) 0

Intermediate Algebra For College Students (9th Edition)

9th Edition

ISBN: 9780321927354

Author: Allen R. Angel, Dennis Runde

Publisher: PEARSON

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Chapter 4.3, Problem 21ES

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To calculate: The amount of water and the concentrate should be mixed to make 200 gallons of the final mixture. If the Concentrate Grass and Weed Killer consist of an 18% active ingredient glyphosate and 82% inactive gradients. So, that the final mixture contains 0.9% inactive gradients

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Chapter 4.3, Problem 20ES

Chapter 4.3, Problem 22ES

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The amount of water and the concentrate should be mixed to make 200 gallons of the final mixture. If the Concentrate Grass and Weed Killer consist of an 18% active ingredient glyphosate and 82% inactive gradients. So, that the final mixture contains 0.9% inactive gradients

Solution Summary: The author calculates that the amount of water and the concentrate should be mixed to make 200 gallons of the final mixture.

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To calculate: The amount of water and the concentrate should be mixed to make 200 gallons of the final mixture. If the Concentrate Grass and Weed Killer consist of an 18% active ingredient glyphosate and 82% inactive gradients. So, that the final mixture contains 0.9% inactive gradients

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Chapter 4 Solutions