Heinz produces tomato puree by boiling tomato juice. The tomato puree has only 20% water while the tomato juice has 90% water. How many liters of tomato puree will be obtained from 80 litres of tomato juice?  Answers:
A) 2.8 liters.	B) 2.5 liters.	C) 8.5 liters.	D) 2.6 liters.	E) 10 liters.
Answer:   Explanation:   In each of the solutions, there is a pure tomato component and some water. So while boiling, water evaporates but tomato not. So we equate tomato part in the both equations.   â‡’â‡’ 10%(80) = 80%(x)   â‡’â‡’ x = 10 liters.   Answer:10 liters.
<result>E</result>
Heinz produces tomato puree by boiling tomato juice. The tomato puree has only 20% water while the tomato juice has 90% water. How many liters of tomato puree will be obtained from 80 litres of tomato juice?