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A mixture of 70 liters of wine and water contains 10 % of water. How much water must be added to make water 37 % of the resulting mixture?

A.	30 liters	B.	31 liters
C.	32 liters	D.	35 liters

Answer and Explanation

Answer:30 liters

Explanation:
The mixture contains (10/100)70 = 7 liters of water
It contains (70 - 7) = 63 liters of wine
Let x liters of water be added
(7 + x)/(70 + x)=37/100
X = 30 liters

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