SOLUTION: A chemist has a 20% and a 40% acid solutions. What amount of each solution should be used in order to make 300ml of a 28% acid solution?
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Question 1058602: A chemist has a 20% and a 40% acid solutions. What amount of each solution should be used in order to make 300ml of a 28% acid solution?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
This is HOW you can solve using just one variable.
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