How much water should be added to 15 liters of a 20%-solution of alcohol to reduce the concentration of alcohol in the solution by 75% ? Choose the correct choice from the following
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.=15+x)))   2=5%*(15+x)--------&gt;x=25   25 litersns 25 liters
<result>A</result>
How much water should be added to 15 liters of a 20%-solution of alcohol to reduce the concentration of alcohol in the solution by 75% ?