SOLUTION: What quantity of 60 percent acid solution must be mixed with a 25 per cent solution to produce 504 mL of a 50 percent solution?

SOLUTION: What quantity of 60 percent acid solution must be mixed with a 25 per cent solution to produce 504 mL of a 50 percent solution?

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Question 481343: What quantity of 60 percent acid solution must be mixed with a 25 per cent solution to produce 504 mL of a 50 percent solution?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
s = 60%
t = 25%
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s + t = 504
0.6s + 0.25t = 0.5*504
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Solve for s & t

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