Question 1049766: a pharmacist has 40 ml of a 25% antibiotic solution and needs to dilute it to a 10% solution. How many ml of water should she add Found 2 solutions by Alan3354, ikleyn:Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! a pharmacist has 40 ml of a 25% antibiotic solution and needs to dilute it to a 10% solution. How many ml of water should she add
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Add W ml of water.
Then,
40*25 + W*0 = (40 + W)*10