SOLUTION: a pharmacist mixed some 10% saline solution with some 15% saline solution to obtain 100 mL of a 12% saline solution. How much of the 10% saline solution did the pharmacist use in t
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Question 891719: a pharmacist mixed some 10% saline solution with some 15% saline solution to obtain 100 mL of a 12% saline solution. How much of the 10% saline solution did the pharmacist use in the mixture?
A. 60mL
B.45mL
C. 40mL
D. 25mL
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
See the lesson:
Mixing two concentrations for known amount of mixture - http://www.algebra.com/tutors/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev
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