# SOLUTION: a pharmacist has 20% solution of phenol and a 60% phenol solution. how much of each solution should be mixed together to form 800 milliliters of a 47.5% solution?

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 Question 231715: a pharmacist has 20% solution of phenol and a 60% phenol solution. how much of each solution should be mixed together to form 800 milliliters of a 47.5% solution?Answer by checkley77(12569)   (Show Source): You can put this solution on YOUR website!.60x+.20(800-x)=.475*800 .60x+160-.20x=380 .40x=380-160 .40x=220 x=220/.40 x=550 ml. of 60 solution is used. 800-550=250 ml. of 20% solution is used. Proof: .60*550+.20*250=380 330+50=380 380=380