A mixture of 180 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 the correct choice:
A) 4 liters
B) 8 liters
C) 10 liters
D) 12 liters
E) 12.5 liters
Number of liters of water in180 liters of the mixture = 20% of 120 = 20/100 * 180= 
<gadget id="calculator">20/100 * 180</gadget>
<output>36</output>
36 liters.   P liters of water added to the mixture to make water 25% of the new mixture.   Total amount of water becomes (36 + P) and total volume of mixture is (180 + P).   (36 + P)= 25/100 * (180 + P)   96+4P = 180+P   P = 12 liters.   Answer:12 liters
<result>D</result>
A mixture of 180 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?