SOLUTION: Mixture Problem A chemist has 20% and 60% solutions of acid available. How many liters of each solution should be mixed to obtain 10 liters of a 30% acid solution?

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Question 739190: Mixture Problem A chemist has 20% and 60% solutions
of acid available. How many liters of each solution
should be mixed to obtain 10 liters of a 30% acid
solution?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.2t+.6s=.3*10,
t+s=10
s=2.5, t=7.5