SOLUTION: 1. How many liters of 20% alcohol solution should be added to 40 liters of a 50% alcohol solution to make a 30% solution?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: 1. How many liters of 20% alcohol solution should be added to 40 liters of a 50% alcohol solution to make a 30% solution?       Log On


   

Question 1148315: 1. How many liters of 20% alcohol solution should be added to 40 liters of a 50% alcohol solution to make a 30% solution?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How many liters of 20% alcohol solution should be added to 40 liters of a 50% alcohol solution to make a 30% solution?
----------------------
Add L liters.
40*50 + L*20 = (40 + L)*30