How many liters of water must be added to 14 liters of milk and water containing 10% water to make it 30% water?	Choose one
A) 1 liter B) 2 liters C) 3 liters D) 4 liters E) 5 liters
By rule of alligation:   30% - 10% = 20%   100% - 30% 30  - 10= 
<gadget id="calculator">30  - 10</gadget>
<output>20</output>
20%   100% - 30% = 70%   Quantity of pure water : Quantity of the mixture  100  - 30= 
<gadget id="calculator"> 100  - 30</gadget>
<output>70</output>
70%   Quantity of pure water : Quantity of the mixture= 2 : 7   There are 14 liters of mixture, so we need to add 4 liters of pure water.   The answer is 4 liters.
<result>D</result>
How many liters of water must be added to 14 liters of milk and water containing 10% water to make it 30% water?