A mixture of 40 litres of milk and water contains 10% of water. How much of water must be added to make the water 20% in the new mixture?

A mixture of 40 litres of milk and water contains 10% of water. How mu

1.	A mixture of 40 litres of milk and water contains 10% of water. How much of water must be added to make the water 20% in the new mixture?
A.	7 litres
B.	6 litres
C.	5 litres
D.	4 litres
Answer» D. 4 litres

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A mixture of 40 litres of milk and water contains 10% of water. How much of water must be added to make the water 20% in the new mixture?

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