SOLUTION: what quantity of a 20% alcohol solution must be mixed with a 5% alcohol solution to obtain 400mL of a 10% alcohol solution?

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: what quantity of a 20% alcohol solution must be mixed with a 5% alcohol solution to obtain 400mL of a 10% alcohol solution?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 996908: what quantity of a 20% alcohol solution must be mixed with a 5% alcohol solution to obtain 400mL of a 10% alcohol solution?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
Here is how it works, but this is a different example of the same kind.

two-part percent mixture using just one variable