To a sugar solution of 3 litres containing 40% sugar, one litre of water is added. The percentage of sugar in the new solution is ? Answers.
A) 22% B) 15% C) 26% D) 40% E) 30%
Quantity of sugar = 40*3/100= 
<gadget id="calculator">40*3/100</gadget>
<output>6/5 = around 1.2</output>
1.2kg   new percentage= (1.2*100/4)= 
<gadget id="calculator">(1.2*100/4)</gadget>
<output>30</output>
30%   Answer is 30%
<result>E</result>
To a sugar solution of 3 litres containing 40% sugar, one litre of water is added. The percentage of sugar in the new solution is ?