Question
- A mixture of 70 litres of wine and water contains 10% water. How much water must be added to make water \(12\frac{1}{2}\)% of the total mixture?
Answer: Option A
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Water 7 liter
Wine 63 liters
12½%= 7+X
--------- * 100
70+ x
25 700+100x
------ = --------------------------
2. 70+ x
1750+25x = 1400+200x
175x=350
x= 2 liters