SOLUTION: A pharmacist has 200 milliliters of a solution that is 20​% active ingredient. How much pure water should she add to the solution to get a solution that is 5​% active&#
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Question 1108120: A pharmacist has 200 milliliters of a solution that is 20% active ingredient. How much pure water should she add to the solution to get a solution that is 5% active ingredient?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
x, volume of water to add
, the percents used in decimal form
Solve for x.
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