A chemist has 200 liters of a solution which is 12% acid. She has another solution which is 30% acid. She needs a new solution which is 20% acid. The chemist used the chart to organize the amounts of solutions she plans to mix. How many liters of 30% acid solution, x, does the chemist need to add to the 12% acid solution to obtain a 20% acid solution? Total Amount Acid Content (liters) (liters) 12% Acid 200 0.12(200) Solution 30% Acid Solution 0.3x New Mixture 200 + X 0.2(200 + X) CLEAR SUBMIT 360 240 liters 200 liters 160 liters

A chemist has 200 liters of a solution which is 12% acid. She has another solution which is 30% acid. She needs a new solution which is 20% acid. The chemist used the chart to organize the amounts of solutions she plans to mix. How many liters of 30% acid solution, x, does the chemist need to add to the 12% acid solution to obtain a 20% acid solution? Total Amount Acid Content (liters) (liters) 12% Acid 200 0.12(200) Solution 30% Acid Solution 0.3x New Mixture 200 + X 0.2(200 + X) CLEAR SUBMIT 360 240 liters 200 liters 160 liters

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter1: Equations, Inequalities, And Mathematical Modeling

Section1.3: Modeling With Linear Equations

Problem 57E: A forester is making a gasoline-oil mixture for a chainsaw engine. The forester has 2 gallons of a...

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