SOLUTION: a chemist has a 25% acid solution and a 30% acid solution. how many liters of each solution does the chemist need to make 15 liters of a solution that is 28% acid

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Question 806490: a chemist has a 25% acid solution and a 30% acid solution. how many liters of each solution does the chemist need to make 15 liters of a solution that is 28% acid
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a+b=15,
.25a+.3b=.28*15
a=6., b=9.