SOLUTION: In the lab, Abdul has two solutions that contain alcohol and is mixing them with each other. He uses 400 milliliters less of Solution A than Solution B. Solution A is 16% alcohol a

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Question 1178425: In the lab, Abdul has two solutions that contain alcohol and is mixing them with each other. He uses 400 milliliters less of Solution A than Solution B. Solution A is 16% alcohol and Solution B is 20% alcohol. How many milliliters of Solution B does he use, if the resulting mixture has 152 milliliters of pure alcohol?

Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
SOLUTION     PERCENT CONC      VOLUME      PURE ALC.(in milliliters)
   A            16              b-400      0.16(b-400)
   B            20               b         0.2b
 Mxture                                   152

, solve this for b.
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