SOLUTION: How many liters of 15% alcohol solution must be mixed with 25 liters of a 20% alcohol solution to obtain an 18% acid solution?

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: How many liters of 15% alcohol solution must be mixed with 25 liters of a 20% alcohol solution to obtain an 18% acid solution?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 806953: How many liters of 15% alcohol solution must be mixed with 25 liters of a 20% alcohol solution to obtain an 18% acid solution?
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
How many liters of L% alcohol solution must be mixed with V liters of a H% alcohol solution to obtain an T% acid solution?

Let u=volume of L% alcohol
Let V = volume of H% alcohol

%28Lu%2BHV%29%2F%28u%2BV%29=T
Solve for the unknown variable, u.