SOLUTION: How many liters of a 30% solution must be mixed with 40 liters of a 90% soultion to get a 80% solution
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Question 349710: How many liters of a 30% solution must be mixed with 40 liters of a 90% soultion to get a 80% solution
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
0.30x + 0.90(40) = 0.80(x + 40)
Solve for x to find your answer.
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