SOLUTION: Dr. Palma prescribes 10 ml of a 10%-solution of medicine. The pharmacist has a 25%solution and 5%-solution of this medicine. How many milliliters of the 25%-solution should be mixe

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Question 842537: Dr. Palma prescribes 10 ml of a 10%-solution of medicine. The pharmacist has a 25%solution and 5%-solution of this medicine. How many milliliters of the 25%-solution should be mixed to fill the description?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi
How many milliliters of the 25%-solution should be mixed to fill the description?
.25x + .05(10ml-x) = .10•10ml |Solve for x
x = .05•10ml/.20
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