3 ltr of water is added with 9 ltr of a solution containing 57%of alcohol in the water. The % of alcohol in the new mixture is?  Choices.
A) 41.5%	B) 42.75%	C) 43%	D) 45%	E) 45.75%
We have a 9 litre solution containing 57% of alcohol in the water.   =&gt; Quantity of alcohol in the solution   =9Ã—57/ 100   Now 3 litre of water is added to the solution.   =&gt; Total quantity of the new solution = 9 + 3= 
<gadget id="calculator">9 + 3</gadget>
<output>12</output>
12   Percentage of alcohol in the new solution=9Ã—57/100   12   Ã—   100   =9Ã—5710012Ã—100   =9Ã—4.75/100   =42.75%   42.75%
<result>B</result>
3 ltr of water is added with 9 ltr of a solution containing 57%of alcohol in the water. The % of alcohol in the new mixture is?