# SOLUTION: a chemist wants to produce a 30% alcohol solution. how many liters of 20% and 50% solution should be mixed in order to get 12 liters of 30% solution?

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 Question 434100: a chemist wants to produce a 30% alcohol solution. how many liters of 20% and 50% solution should be mixed in order to get 12 liters of 30% solution?Answer by mananth(12270)   (Show Source): You can put this solution on YOUR website!--------- percent ----------------quantity Orange Juice I 20 ----------------x L Orange Juice II 50 ----------------12-x L Total 30.00% ---------------- 12 20x+50(12-x)=30 *12 20x+600 -50x=360 20x-50x =360-600 -30x=-240 /-30 x=8 L 20.00% 4 L 50.00%