Question

To 15 liters of water containing 20 % milk, we add 5 liters of pure water. What is % milk ?.

Answer 1

15 % milk

is the answer.

Explanation:

15 liters contain 20 % milk = 15 (20/100) = 3 liters

5 liters of water added

total milk remains 3 liters

total liquid amount became = 15 liters + 5 liters = 20 liters

% ge of milk in new liquid = (3 /20) x 100 = 15