Question

The ratio of water and milk in a 30 litre mixture is 7:3, find the quantity of water
to be added to the mixture in order to make this ratio 6 :1.
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Answer 1

Answer:

water = 7x = 7*3 = 21 liter. Milk = 3x = 3*3 = 9 liter. Now, we keep milk constant and add water to mixture to get ratio 6:1. Let water in this mixture = 6y and milk = y.