Gave needs 60 liters of 40% acid solution he currently has 20% solution and 50% solution how many liters of each does he need to make the needed 60 liters of 40% acid solution
percent ---------------- quantity Acid type I 60.00% ---------------- x liters acid type II 30.00% ------ 60 - x liters Mixture 40.00% ---------------- 60 Total 60 liters 60.00% x + 30.00% ( 60 - x ) = 40.00% * 60 60 x + 30 ( 60 - x ) = 2400
