SOLUTION: A scientist needs 60 liters of a 60% acid solution. He currently has a 40% solution and a 70% solution. How many liters of each does he need to make the needed 60 liters of 60% aci

Algebra ->  Test -> SOLUTION: A scientist needs 60 liters of a 60% acid solution. He currently has a 40% solution and a 70% solution. How many liters of each does he need to make the needed 60 liters of 60% aci      Log On


   



Question 848276: A scientist needs 60 liters of a 60% acid solution. He currently has a 40% solution and a 70% solution. How many liters of each does he need to make the needed 60 liters of 60% acid solution?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Visit this page with a thorough discussion of this type of problem:

http://www.algebra.com/tutors/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev