SOLUTION: a pharmacist has 20 L of a 10% drug solution. how many liters of 5% drug solution must be added to obtain a mixture that is 8%

SOLUTION: a pharmacist has 20 L of a 10% drug solution. how many liters of 5% drug solution must be added to obtain a mixture that is 8%

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Question 988557: a pharmacist has 20 L of a 10% drug solution. how many liters of 5% drug solution must be added to obtain a mixture that is 8%
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!

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Lesson: two-part mixture, one quantity unknown, http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev
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