SOLUTION: A pharmacist wishes to mix water with a 15%–saline solution to create 200 mL of 6% saline solution. How much 15%–saline solution must be used?

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Question 851341: A pharmacist wishes to mix water with a 15%–saline solution to create 200 mL of 6% saline solution. How much 15%–saline solution must be used?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Let x represent amount of water added

  water = water

 x + .85(200ml-x) = .94(200ml)

        x = .09%28200ml%29%2F.15