How much water should be added to 13 liters of a 20%-solution of alcohol to reduce the concentration of alcohol in the solution by 75% ?	Choose the correct choice:
A) 25 liters  B) 27 liters  C) 30 liters  D) 32 liters  E) 35 liters
Let x ltr water to be added   2ltr alcohol to be represented as (20(1-3/4(new soln.=13+x)))   2=5%*(13+x)--------&gt;x=27   Ans 27 liters
<result>B</result>
How much water should be added to 13 liters of a 20%-solution of alcohol to reduce the concentration of alcohol in the solution by 75% ?