A mixture of 200 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture? Choose one.
A) 11 liters
B) 11.2 liters
C) 12.5 liters
D) 13.78 liters
E) 13.33 liters
Number of liters of water in 200 liters of the mixture = 20% of 120 = 20/100 * 200= 
<gadget id="calculator">20/100 * 200</gadget>
<output>40</output>
40 liters.   P liters of water added to the mixture to make water 25% of the new mixture.   Total amount of water becomes (40 + P) and total volume of mixture is (200 + P).   (40 + P)= 25/100 * (200 + P)   160+4P = 200+P   P = 13.33 liters.   Answer:13.33 liters
<result>E</result>
A mixture of 200 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?