SOLUTION: you have a 40 liter solution that is 90% alcohol. How many liters of water must be added to have the solution be 50% alcohol?

Question 735040: you have a 40 liter solution that is 90% alcohol. How many liters of water must be added to have the solution be 50% alcohol?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Just an example of:

you have a v liter solution that is H% alcohol. How many liters u of water, percent alcohol 0% must be added to have the solution be T% alcohol?

Solve for u.
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