Question
A mixture of 60 liters contains milk and water in the
ratio 7:5. How much milk should be added to make the ratio 3:1?Solution
Initial milk = (7/12) × 60 = 35 liters Initial water = (5/12) × 60 = 25 liters Let x liters of milk be added. New ratio = (35 + x)/25 = 3/1 35 + x = 75 x = 40 liters Answer: d) 40 liters
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