SOLUTION: How many ML of a 25% saline solution should be added to 30 mL of a 5% saline solution to obtain a mixture that is 10% saline solution?

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Question 748425: How many ML of a 25% saline solution should be added to 30 mL of a 5% saline solution to obtain a mixture that is 10% saline solution?

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
y = amount ml. of the 25% saline

%285%2A30%2B25%2Ay%29%2F%2830%2By%29=10
This will be a one-variable linear equation. Solve for y.