20 litres of mixture contains 40% alcohol and the rest water. If 8litres of water be mixed with it, the percentage of alcohol in the new mixture would be?
Pick one
A) 26.32%	B) 35.14%	C) 28.57%	D) 25%	E) 31.14%
Alcohol in the 20litres of mix. = 40% of 20litres = (40*20/100)= 
<gadget id="calculator">(40*20/100)</gadget>
<output>8</output>
8litres   water in it= 20-8= 
<gadget id="calculator">20-8</gadget>
<output>12</output>
12litres   new quantity of mix.= 20+8= 
<gadget id="calculator">20+8</gadget>
<output>28</output>
28 litres   Quantity of alcohol in it= 8litres   Percentage of alcohol in new mix. = 8*100/28 = 50/3= 28.57%   Answer is 28.57%
<result>C</result>
20 litres of mixture contains 40% alcohol and the rest water. If 8litres of water be mixed with it, the percentage of alcohol in the new mixture would be?