SOLUTION: Ashwin has 500 mL of a 60% solution of silver nitrate. How many milliliters of 30% silver nitrate solution should be added to obtain a 50% solution?

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Question 1120803: Ashwin has 500 mL of a 60% solution of silver nitrate. How many milliliters of 30%
silver nitrate solution should be added to obtain a 50% solution?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
x, volume of the 30% silver nitrate to add

%280.3x%2B0.6%2A500%29%2F%28x%2B500%29=0.5

Simplify;
Solve for x.
Simple algebra.
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First two or three steps could be
0.3x%2B0.6%2A500=0.5%28x%2B500%29
3x%2B6%2A500=5%28x%2B500%29
3x%2B3000=5x%2B2500
and you can finish it.