SOLUTION: A chemist has two solutions, one is 30% alcohol, and the other is 90% alcohol. How much of each solution should be mixed together to make 400 liters of a solution that is 54% alcoh

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Question 572102: A chemist has two solutions, one is 30% alcohol, and the other is 90% alcohol. How much of each solution should be mixed together to make 400 liters of a solution that is 54% alcohol?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
Here is the equation you need.

0.30x+0.90x = 0.54(2x+400)

Solve for x using algebra and then plug your value for x into

0.30x and 0.90x to solve individually.

This will give you the amount of each solution to mix.