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

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> 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      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



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) About Me  (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

0.16%28b-400%29%2B0.2b=152, solve this for b.