What quantity of water should be added to reduce 20 liters of 80% acidic liquid to 20% acidic liquid?
Choose the correct choice from the following choices
A) 30 liters B) 50 liters C) 60 liters D) 70 liters E) 80 liters

Rationale: "acid in 20 liters = 80 % of 20 = 16 liters suppose x liters of water be added . then 16 liters of acid in 20 + x liters of diluted solution 20 % of 20 + x = 16 20 + x = 80 x = 60 liters answer is c"
Answer: C