Posted by Veronica on Wednesday, May 26, 2010 at 10:22am.
Pewee adds two liters of pure alcohol to a 30% solution of alcohol in water. If the new concentration is 40%, how many liters of the original solution were there?

MATH  Damon, Wednesday, May 26, 2010 at 10:54am
.3 x + 2 = .4(2+x)
Answer This Question
Related Questions
 algebra  moonshine has 50 liters of a 70% alcohol solution.how many liters of ...
 algebra  A laboratory assistant is asked to mix a 30% alcohol solution with 21 ...
 math  a chemist has a solution that is 20 percent alcohol by volume. which of ...
 Math  Suppose you have two alcohol+water solutions. One solution ( of volume x ...
 Math  Solution A is 80% Alcohol and Solution B is 30% Alcohol. How many Liters ...
 Math (Algebra)  A chemistry student needs to make 60 liters of a 30% alcohol ...
 Math please  A 75% alcohol concentration mixture of water and alcohol was made ...
 Math  You have 8 liters of a 60% alcohol solution. How many liters of water ...
 math  An alcohol solution consists of 6 gallons of pure water and x gallons of ...
 math  An alcohol solution consists of 6 gallons of pure water and x gallons of ...
More Related Questions