A mixture of 150 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) 19  B) 17  C) 10  D) 18  E) 16
Number of liters of water in150 liters of the mixture = 20% of 150 = 20/100 * 150= 
<gadget id="calculator">20/100 * 150</gadget>
<output>30</output>
30 liters.   P liters of water added to the mixture to make water 25% of the new mixture.   Total amount of water becomes (30 + P) and total volume of mixture is (150 + P).   (30 + P)= 25/100 * (150 + P)   120 + 4P = 150 + P =&gt; P = 10 liters.Answer: 10
<result>C</result>
A mixture of 150 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?