20 litres of a mixture contains milk and water in the ratio 5:3. If 4 litres of the mixture is removed and replaced by 4 litres of milk, find the new ratio of milk to water.

Question

Accepted Answer

7:3. Initially milk = 12.5 L, water = 7.5 L. Removing 4 L (one-fifth) leaves milk 10 L, water 6 L; adding 4 L milk gives milk 14 L, water 6 L, i.e. 7:3.

20 litres of a mixture contains milk and water in the ratio 5:3. If 4 litres of the mixture is removed and replaced by 4 litres of milk, find the new ratio of milk to water.

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