SOLUTION: a pharmacist needs to mix 1% saline (salt) solution with 24 ml of a 16% saline solution to obtain a 9% saline solution. how many milliliters of 1% solution must she use?

Question 1021216: a pharmacist needs to mix 1% saline (salt) solution with 24 ml of a 16% saline solution to obtain a 9% saline solution. how many milliliters of 1% solution must she use?

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Same problem, different numbers.
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Mr. Baker is mixing a 16% saline solution with a 21% saline solution. He would like to obtain 25 gram mixture that is 20% saline. How many grams of each will be needed?
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s = amount of 16%
t = amount of 21%
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s + t = 25 (total solution)
16s + 21t = 25*20 (total salt)
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