SOLUTION: How much of a 45% solution must be added to 1 liter of a 60% solution in order to make a 50% solution?

SOLUTION: How much of a 45% solution must be added to 1 liter of a 60% solution in order to make a 50% solution?

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Question 781210: How much of a 45% solution must be added to 1 liter of a 60% solution in order to make a 50% solution?
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
0.45x+0.60*1=(x+1)*0.5
0.6-0.5=0.5x-0.45x
1.0=0.05x
x=20 liters
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